{ "slug": "aquarium-filters", "name": "Aquarium Filters", "root": "pet", "unit": "L", "unit_as_designed": "ml", "unit_note": "Use the maximum aquarium volume the listing rates the filter for, converted to milliliters. For multipacks of identical filters, multiply that rating by the number of filters; use the stated total rating if the listing gives one. This is rated tank capacity, not filter-media volume.", "gpc": { "brick_code": "10000516", "brick": "Aquarium Aids/Accessories", "class": "Pet Accessories", "family": "Pet Care", "segment": "Pet Care/Food" }, "google_product_category": { "id": 5020, "path": "Animals & Pet Supplies > Pet Supplies > Fish Supplies > Aquarium Filters" }, "taxonomy": { "shopify": { "id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "path": "Animals & Pet Supplies > Pet Supplies > Fish & Aquatic Supplies > Aquarium Filters", "attributes": [ { "name": "Aquarium filter features", "handle": "aquarium-filter-features", "values": [ "Adjustable flow rate", "Compact design", "Media included", "Multi-stage filtration", "Quick cartridge change", "Quiet operation", "Self-priming", "Other" ] }, { "name": "Filter type", "handle": "filter-type", "values": [ "Biological", "Chemical", "Mechanical", "Other" ] }, { "name": "Power source", "handle": "power-source", "values": [ "AC-powered", "Alcohol", "Batteries", "Battery-powered", "Butane", "Charcoal", "Cigar lighter", "DC-powered", "Diesel", "Ethanol", "Firewood", "Gasoline", "Hot water", "Hybrid", "Hydraulic", "Infrared", "Manual", "Mechanical", "Natural gas", "Oil", "Pellet", "Pneumatic", "Propane", "Rechargeable", "Solar", "USB", "Vehicle electrical system", "Other" ] }, { "name": "Suitable for water type", "handle": "suitable-for-water-type", "values": [ "Both", "Freshwater", "Saltwater", "Other" ] } ] }, "google": { "id": 5020, "path": "Animals & Pet Supplies > Pet Supplies > Fish Supplies > Aquarium Filters" }, "gpc": { "brick_code": "10000516", "brick": "Aquarium Aids/Accessories", "class": "Pet Accessories", "family": "Pet Care", "segment": "Pet Care/Food" } }, "fields": [ { "key": "max_tank_volume", "label": "Maximum rated tank volume", "type": "number", "unit": "ml", "values": null, "why_it_matters": "The filter must be rated for the aquarium it will serve." }, { "key": "flow_rate", "label": "Flow rate", "type": "number", "unit": "ml/h", "values": null, "why_it_matters": "Higher flow can provide more water circulation and filtration capacity." }, { "key": "filtration_stages", "label": "Filtration stages", "type": "number", "unit": null, "values": null, "why_it_matters": "Multiple stages can combine mechanical, biological, or chemical filtration." }, { "key": "power_source", "label": "Power source", "type": "enum", "unit": null, "values": [ "AC-powered", "Battery-powered", "Other" ], "why_it_matters": "Shows whether the filter needs an outlet, batteries, or another power source." }, { "key": "suitable_for_water_type", "label": "Suitable for water type", "type": "enum", "unit": null, "values": [ "Both", "Freshwater", "Saltwater", "Other" ], "why_it_matters": "Not every filter is suitable for both freshwater and saltwater aquariums." }, { "key": "media_included", "label": "Filter media included", "type": "boolean", "unit": null, "values": null, "why_it_matters": "Included media can reduce setup cost and make the filter ready to use." }, { "key": "quiet_operation", "label": "Quiet operation", "type": "boolean", "unit": null, "values": null, "why_it_matters": "Quieter operation can matter when the aquarium is in a living or sleeping area." }, { "key": "adjustable_flow", "label": "Adjustable flow", "type": "boolean", "unit": null, "values": null, "why_it_matters": "Flow adjustment helps accommodate fish that prefer gentler currents." } ], "minimum_spec": { "description": "For a general-purpose aquarium, choose a filter rated for at least a 10-gallon tank and with at least two filtration stages. For a particular aquarium, its rating must also meet or exceed that tank's volume.", "rules": [ { "key": "max_tank_volume", "op": ">=", "value": 37854 }, { "key": "filtration_stages", "op": ">=", "value": 2 } ] }, "premium_dimensions": [ "max_tank_volume", "flow_rate", "filtration_stages", "media_included", "quiet_operation", "adjustable_flow", "suitable_for_water_type" ], "baseline": { "item_id": 227945, "name": "AquaMiracle In-Tank Filter", "unit_price": 0.071, "retailer": "amazon" }, "items": [ { "id": 227954, "name": "Pawfly Bio Sponge Filter", "brand": "Pawfly", "gtin": null, "category": "aquarium-filters", "size": { "value": 681.374, "unit": "L" }, "size_as_extracted": { "value": 681374.12, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 681374.12, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": true, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.025, "price": 16.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B09J1ZDL9C" }, "lowest_price": { "price": 16.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B09J1ZDL9C" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B09J1ZDL9C", "gtin": null, "price": 16.99, "currency": "USD", "price_usd": 16.99, "unit_price": 0.025, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "1.92 pounds", "url": "https://www.amazon.com/dp/B09J1ZDL9C", "observed_at": "2026-10-10T09:21:17-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227954.json", "html": "/items/227954.html", "rank": 1, "premium": { "pct_over_baseline": -64.8, "spec_diffs": { "media_included": [ null, true ], "quiet_operation": [ null, true ] }, "note": null } }, { "id": 227953, "name": "ALEGI Aquarium Sponge Filter", "brand": "ALEGI", "gtin": null, "category": "aquarium-filters", "size": { "value": 302.833, "unit": "L" }, "size_as_extracted": { "value": 302832.94, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 302832.94, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": true, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Media included" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.069, "price": 20.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0BHWBW34G" }, "lowest_price": { "price": 20.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0BHWBW34G" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0BHWBW34G", "gtin": null, "price": 20.99, "currency": "USD", "price_usd": 20.99, "unit_price": 0.069, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "Small up to 10-20Gal 4 Pcs", "url": "https://www.amazon.com/dp/B0BHWBW34G", "observed_at": "2026-10-10T09:21:08-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227953.json", "html": "/items/227953.html", "rank": 2, "premium": { "pct_over_baseline": -2.8, "spec_diffs": { "media_included": [ null, true ] }, "note": null } }, { "id": 227945, "name": "AquaMiracle In-Tank Filter", "brand": "AquaMiracle", "gtin": null, "category": "aquarium-filters", "size": { "value": 378.541, "unit": "L" }, "size_as_extracted": { "value": 378541.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 378541, "flow_rate": null, "filtration_stages": 3, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Multi-stage filtration" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": true, "tier": "mid", "premium_note": "Three-stage filtration and dual outlets provide more filtration options and water circulation.", "best": { "unit_price": 0.071, "price": 26.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0B3D9CGP9" }, "lowest_price": { "price": 26.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0B3D9CGP9" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0B3D9CGP9", "gtin": null, "price": 26.99, "currency": "USD", "price_usd": 26.99, "unit_price": 0.071, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "For 70-100 Gal Aquarium", "url": "https://www.amazon.com/dp/B0B3D9CGP9", "observed_at": "2026-10-10T09:20:52-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227945.json", "html": "/items/227945.html", "rank": 3 }, { "id": 227955, "name": "Ibay Aquarium Filter", "brand": "Ibay", "gtin": null, "category": "aquarium-filters", "size": { "value": 132.489, "unit": "L" }, "size_as_extracted": { "value": 132489.41, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 132489.41, "flow_rate": 492103.53, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": true, "quiet_operation": null, "adjustable_flow": true }, "standard_attributes": { "Aquarium filter features": "Media included" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.098, "price": 12.97, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DM4YB4XH" }, "lowest_price": { "price": 12.97, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DM4YB4XH" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0DM4YB4XH", "gtin": null, "price": 12.97, "currency": "USD", "price_usd": 12.97, "unit_price": 0.098, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "11.7 ounces", "url": "https://www.amazon.com/dp/B0DM4YB4XH", "observed_at": "2026-10-10T09:21:23-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227955.json", "html": "/items/227955.html", "rank": 4, "premium": { "pct_over_baseline": 38.0, "spec_diffs": { "flow_rate": [ null, 492103.53 ], "media_included": [ null, true ], "adjustable_flow": [ null, true ] }, "note": null } }, { "id": 227938, "name": "MarineTideX Hang-On-Back UV Aquarium Filter UV", "brand": "MarineTideX", "gtin": null, "category": "aquarium-filters", "size": { "value": 378.541, "unit": "L" }, "size_as_extracted": { "value": 378541.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 378541, "flow_rate": 1200625, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Other" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "UV treatment and high flow add algae-control functionality and water circulation.", "best": { "unit_price": 0.174, "price": 65.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0GYS2VPMC" }, "lowest_price": { "price": 65.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0GYS2VPMC" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0GYS2VPMC", "gtin": null, "price": 65.99, "currency": "USD", "price_usd": 65.99, "unit_price": 0.174, "availability": "Only 13 left in stock - order soon.", "in_stock": null, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "4.4 pounds", "url": "https://www.amazon.com/dp/B0GYS2VPMC", "observed_at": "2026-10-10T07:27:20-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227938.json", "html": "/items/227938.html", "rank": 5, "premium": { "pct_over_baseline": 145.1, "spec_diffs": { "flow_rate": [ null, 1200625 ] }, "note": "UV treatment and high flow add algae-control functionality and water circulation." } }, { "id": 227949, "name": "Sieral Undergravel Filter 10 plates", "brand": "Sieral", "gtin": null, "category": "aquarium-filters", "size": { "value": 109.777, "unit": "L" }, "size_as_extracted": { "value": 109777.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 109777, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": {}, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.191, "price": 20.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FZRLGV6P" }, "lowest_price": { "price": 20.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FZRLGV6P" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0FZRLGV6P", "gtin": null, "price": 20.99, "currency": "USD", "price_usd": 20.99, "unit_price": 0.191, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "20 - 29 Gallons", "url": "https://www.amazon.com/dp/B0FZRLGV6P", "observed_at": "2026-10-10T09:21:47-04:00", "age_minutes_at_build": 17461 } ], "url": "/items/227949.json", "html": "/items/227949.html", "rank": 6, "premium": { "pct_over_baseline": 169.0, "spec_diffs": {}, "note": null } }, { "id": 227952, "name": "TARARIUM U-V Aquarium Filter", "brand": "TARARIUM", "gtin": null, "category": "aquarium-filters", "size": { "value": 170.344, "unit": "L" }, "size_as_extracted": { "value": 170343.53, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 170343.53, "flow_rate": 598096.06, "filtration_stages": null, "power_source": null, "suitable_for_water_type": "Both", "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Suitable for water type": "Both" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "The built-in UV feature adds water-clarifying functionality.", "best": { "unit_price": 0.194, "price": 32.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DPMGCNZ6" }, "lowest_price": { "price": 32.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DPMGCNZ6" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0DPMGCNZ6", "gtin": null, "price": 32.99, "currency": "USD", "price_usd": 32.99, "unit_price": 0.194, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "Extra Small - H4F(for 10-45 Gallon)", "url": "https://www.amazon.com/dp/B0DPMGCNZ6", "observed_at": "2026-10-10T09:20:45-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227952.json", "html": "/items/227952.html", "rank": 7, "premium": { "pct_over_baseline": 173.2, "spec_diffs": { "flow_rate": [ null, 598096.06 ], "suitable_for_water_type": [ null, "Both" ] }, "note": "The built-in UV feature adds water-clarifying functionality." } }, { "id": 227940, "name": "AQQA Hang-On-Back Filter", "brand": "AQQA", "gtin": null, "category": "aquarium-filters", "size": { "value": 113.562, "unit": "L" }, "size_as_extracted": { "value": 113562.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 113562, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.198, "price": 22.49, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FG7H6PLG" }, "lowest_price": { "price": 22.49, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FG7H6PLG" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0FG7H6PLG", "gtin": null, "price": 22.49, "currency": "USD", "price_usd": 22.49, "unit_price": 0.198, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "6W for 20-30 Gallon", "url": "https://www.amazon.com/dp/B0FG7H6PLG", "observed_at": "2026-10-10T07:27:36-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227940.json", "html": "/items/227940.html", "rank": 8, "premium": { "pct_over_baseline": 178.9, "spec_diffs": { "quiet_operation": [ null, true ] }, "note": null } }, { "id": 227956, "name": "Seaforia Hang-On-Back Aquarium Filter", "brand": "Seaforia", "gtin": null, "category": "aquarium-filters", "size": { "value": 75.708, "unit": "L" }, "size_as_extracted": { "value": 75708.24, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 75708.24, "flow_rate": 397468.24, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": true, "adjustable_flow": true }, "standard_attributes": { "Aquarium filter features": "Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.264, "price": 19.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0GKH1SYMT" }, "lowest_price": { "price": 19.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0GKH1SYMT" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0GKH1SYMT", "gtin": null, "price": 19.99, "currency": "USD", "price_usd": 19.99, "unit_price": 0.264, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "12 ounces", "url": "https://www.amazon.com/dp/B0GKH1SYMT", "observed_at": "2026-10-10T09:35:03-04:00", "age_minutes_at_build": 17448 } ], "url": "/items/227956.json", "html": "/items/227956.html", "rank": 9, "premium": { "pct_over_baseline": 271.8, "spec_diffs": { "flow_rate": [ null, 397468.24 ], "quiet_operation": [ null, true ], "adjustable_flow": [ null, true ] }, "note": null } }, { "id": 227942, "name": "Marineland Bio-Wheel Penguin Power Filter", "brand": "Marineland", "gtin": null, "category": "aquarium-filters", "size": { "value": 151.416, "unit": "L" }, "size_as_extracted": { "value": 151416.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 151416, "flow_rate": 757082, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Quiet operation", "Filter type": "Biological" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "The Bio-Wheel design and multi-stage filtration provide added biological filtration capability.", "best": { "unit_price": 0.274, "price": 41.43, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0009IODZG" }, "lowest_price": { "price": 41.43, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0009IODZG" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0009IODZG", "gtin": null, "price": 41.43, "currency": "USD", "price_usd": 41.43, "unit_price": 0.274, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "Up to 40 gallons", "url": "https://www.amazon.com/dp/B0009IODZG", "observed_at": "2026-10-10T07:27:49-04:00", "age_minutes_at_build": 17575 } ], "url": "/items/227942.json", "html": "/items/227942.html", "rank": 10, "premium": { "pct_over_baseline": 285.9, "spec_diffs": { "flow_rate": [ null, 757082 ], "quiet_operation": [ null, true ] }, "note": "The Bio-Wheel design and multi-stage filtration provide added biological filtration capability." } }, { "id": 227937, "name": "QiQiWader Hang-On-Back Filter", "brand": "QiQiWader", "gtin": null, "category": "aquarium-filters", "size": { "value": 75.708, "unit": "L" }, "size_as_extracted": { "value": 75708.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 75708, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.277, "price": 20.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H2NGXKHJ" }, "lowest_price": { "price": 20.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H2NGXKHJ" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0H2NGXKHJ", "gtin": null, "price": 20.99, "currency": "USD", "price_usd": 20.99, "unit_price": 0.277, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "6W", "url": "https://www.amazon.com/dp/B0H2NGXKHJ", "observed_at": "2026-10-10T07:27:13-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227937.json", "html": "/items/227937.html", "rank": 11, "premium": { "pct_over_baseline": 290.1, "spec_diffs": { "quiet_operation": [ null, true ] }, "note": null } }, { "id": 227934, "name": "VEVOR Canister Filter", "brand": "VEVOR", "gtin": null, "category": "aquarium-filters", "size": { "value": 208.198, "unit": "L" }, "size_as_extracted": { "value": 208198.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 208198, "flow_rate": 849025, "filtration_stages": 3, "power_source": null, "suitable_for_water_type": "Freshwater", "media_included": true, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Multi-stage filtration, Media included, Quiet operation", "Suitable for water type": "Freshwater" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": true, "tier": "mid", "premium_note": "Three-stage filtration, included media, and quiet operation add capability for tanks up to 55 gallons.", "best": { "unit_price": 0.288, "price": 59.9, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FXM97MWL" }, "lowest_price": { "price": 59.9, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FXM97MWL" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0FXM97MWL", "gtin": null, "price": 59.9, "currency": "USD", "price_usd": 59.9, "unit_price": 0.288, "availability": "In Stock", "in_stock": true, "seller": "VEMIXO", "first_party": false, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "224.5GPH", "url": "https://www.amazon.com/dp/B0FXM97MWL", "observed_at": "2026-10-10T07:26:50-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227934.json", "html": "/items/227934.html", "rank": 12, "premium": { "pct_over_baseline": 305.6, "spec_diffs": { "flow_rate": [ null, 849025 ], "media_included": [ null, true ], "quiet_operation": [ null, true ], "suitable_for_water_type": [ null, "Freshwater" ] }, "note": "Three-stage filtration, included media, and quiet operation add capability for tanks up to 55 gallons." } }, { "id": 227936, "name": "Calelin Hang-On-Back Aquarium Filter UV algae control", "brand": "Calelin", "gtin": null, "category": "aquarium-filters", "size": { "value": 246.052, "unit": "L" }, "size_as_extracted": { "value": 246052.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 246052, "flow_rate": 999948, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Other" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "Integrated UV algae control and a high listed flow offer added functionality.", "best": { "unit_price": 0.325, "price": 79.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H6S6ZF2T" }, "lowest_price": { "price": 79.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H6S6ZF2T" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0H6S6ZF2T", "gtin": null, "price": 79.99, "currency": "USD", "price_usd": 79.99, "unit_price": 0.325, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "1000 H/L", "url": "https://www.amazon.com/dp/B0H6S6ZF2T", "observed_at": "2026-10-10T07:27:05-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227936.json", "html": "/items/227936.html", "rank": 13, "premium": { "pct_over_baseline": 357.7, "spec_diffs": { "flow_rate": [ null, 999948 ] }, "note": "Integrated UV algae control and a high listed flow offer added functionality." } }, { "id": 227930, "name": "PONDFORSE Canister Filter Medium", "brand": "PONDFORSE", "gtin": null, "category": "aquarium-filters", "size": { "value": 208.198, "unit": "L" }, "size_as_extracted": { "value": 208198.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 208198, "flow_rate": 851718, "filtration_stages": null, "power_source": "AC-powered", "suitable_for_water_type": null, "media_included": true, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Media included, Quiet operation", "Power source": "AC-powered" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "Ultra-quiet operation and included media add convenience over a basic filter.", "best": { "unit_price": 0.336, "price": 69.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DCJ59TDZ" }, "lowest_price": { "price": 69.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DCJ59TDZ" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0DCJ59TDZ", "gtin": null, "price": 69.99, "currency": "USD", "price_usd": 69.99, "unit_price": 0.336, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "Medium", "url": "https://www.amazon.com/dp/B0DCJ59TDZ", "observed_at": "2026-10-10T07:26:19-04:00", "age_minutes_at_build": 17577 } ], "url": "/items/227930.json", "html": "/items/227930.html", "rank": 14, "premium": { "pct_over_baseline": 373.2, "spec_diffs": { "flow_rate": [ null, 851718 ], "media_included": [ null, true ], "quiet_operation": [ null, true ] }, "note": "Ultra-quiet operation and included media add convenience over a basic filter." } }, { "id": 227944, "name": "Veehoo Canister Filter", "brand": "Veehoo", "gtin": null, "category": "aquarium-filters", "size": { "value": 189.271, "unit": "L" }, "size_as_extracted": { "value": 189271.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 189271, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": {}, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "The canister design and bottom drain offer added convenience for maintenance.", "best": { "unit_price": 0.401, "price": 75.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H6P4FGMT" }, "lowest_price": { "price": 75.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H6P4FGMT" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0H6P4FGMT", "gtin": null, "price": 75.99, "currency": "USD", "price_usd": 75.99, "unit_price": 0.401, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "up to 50 Gallons", "url": "https://www.amazon.com/dp/B0H6P4FGMT", "observed_at": "2026-10-10T09:20:37-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227944.json", "html": "/items/227944.html", "rank": 15, "premium": { "pct_over_baseline": 464.8, "spec_diffs": {}, "note": "The canister design and bottom drain offer added convenience for maintenance." } }, { "id": 227946, "name": "Fluval U3 Underwater Filter Black", "brand": "Fluval", "gtin": null, "category": "aquarium-filters", "size": { "value": 151.416, "unit": "L" }, "size_as_extracted": { "value": 151416.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 151416, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": "Both", "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Suitable for water type": "Both" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "Its underwater design and stated freshwater-and-saltwater suitability offer placement flexibility.", "best": { "unit_price": 0.462, "price": 69.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B001TKZ51E" }, "lowest_price": { "price": 69.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B001TKZ51E" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B001TKZ51E", "gtin": null, "price": 69.99, "currency": "USD", "price_usd": 69.99, "unit_price": 0.462, "availability": "In Stock", "in_stock": true, "seller": "Amazon.com", "first_party": true, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "U3", "url": "https://www.amazon.com/dp/B001TKZ51E", "observed_at": "2026-10-10T09:21:00-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227946.json", "html": "/items/227946.html", "rank": 16, "premium": { "pct_over_baseline": 550.7, "spec_diffs": { "suitable_for_water_type": [ null, "Both" ] }, "note": "Its underwater design and stated freshwater-and-saltwater suitability offer placement flexibility." } }, { "id": 227929, "name": "Penn-Plax Cascade Pro Series III Canister Filter", "brand": "Penn-Plax", "gtin": null, "category": "aquarium-filters", "size": { "value": 378.541, "unit": "L" }, "size_as_extracted": { "value": 378541.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 378541, "flow_rate": 1325894, "filtration_stages": null, "power_source": null, "suitable_for_water_type": "Both", "media_included": true, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Media included", "Suitable for water type": "Both" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "premium", "premium_note": "The bundle includes bio media and rotating valves, and is rated for tanks up to 100 gallons.", "best": { "unit_price": 0.594, "price": 224.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H5T86CDT" }, "lowest_price": { "price": 224.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H5T86CDT" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0H5T86CDT", "gtin": null, "price": 224.99, "currency": "USD", "price_usd": 224.99, "unit_price": 0.594, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "100 Gallons", "url": "https://www.amazon.com/dp/B0H5T86CDT", "observed_at": "2026-10-10T07:26:11-04:00", "age_minutes_at_build": 17577 } ], "url": "/items/227929.json", "html": "/items/227929.html", "rank": 17, "premium": { "pct_over_baseline": 736.6, "spec_diffs": { "flow_rate": [ null, 1325894 ], "media_included": [ null, true ], "suitable_for_water_type": [ null, "Both" ] }, "note": "The bundle includes bio media and rotating valves, and is rated for tanks up to 100 gallons." } }, { "id": 227926, "name": "Fluval 407 Performance Canister Filter", "brand": "Fluval", "gtin": null, "category": "aquarium-filters", "size": { "value": 378.541, "unit": "L" }, "size_as_extracted": { "value": 378541.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 378541, "flow_rate": 1450000, "filtration_stages": null, "power_source": "AC-powered", "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Power source": "AC-powered" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "premium", "premium_note": "A high-flow canister filter from Fluval, rated for aquariums up to 100 gallons.", "best": { "unit_price": 0.679, "price": 256.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B07JFY2QW6" }, "lowest_price": { "price": 256.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B07JFY2QW6" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B07JFY2QW6", "gtin": null, "price": 256.99, "currency": "USD", "price_usd": 256.99, "unit_price": 0.679, "availability": "In Stock", "in_stock": true, "seller": "Amazon.com", "first_party": true, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "100 Gallons", "url": "https://www.amazon.com/dp/B07JFY2QW6", "observed_at": "2026-10-10T07:25:45-04:00", "age_minutes_at_build": 17577 } ], "url": "/items/227926.json", "html": "/items/227926.html", "rank": 18, "premium": { "pct_over_baseline": 856.3, "spec_diffs": { "flow_rate": [ null, 1450000 ] }, "note": "A high-flow canister filter from Fluval, rated for aquariums up to 100 gallons." } }, { "id": 227928, "name": "hygger External Hang-On-Back Canister Filter", "brand": "hygger", "gtin": null, "category": "aquarium-filters", "size": { "value": 37.854, "unit": "L" }, "size_as_extracted": { "value": 37854.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 37854, "flow_rate": null, "filtration_stages": 3, "power_source": "AC-powered", "suitable_for_water_type": null, "media_included": true, "quiet_operation": true, "adjustable_flow": true }, "standard_attributes": { "Aquarium filter features": "Multi-stage filtration, Media included, Quiet operation", "Power source": "AC-powered" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": true, "tier": "mid", "premium_note": "Three-stage filtration, adjustable flow, included media, and an oil skimmer provide versatile operation.", "best": { "unit_price": 0.728, "price": 27.54, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FBR8LJ7Q" }, "lowest_price": { "price": 27.54, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FBR8LJ7Q" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0FBR8LJ7Q", "gtin": null, "price": 27.54, "currency": "USD", "price_usd": 27.54, "unit_price": 0.728, "availability": "In Stock", "in_stock": true, "seller": "Jnkany", "first_party": false, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "5W,\u226410 gal", "url": "https://www.amazon.com/dp/B0FBR8LJ7Q", "observed_at": "2026-10-10T07:26:02-04:00", "age_minutes_at_build": 17577 } ], "url": "/items/227928.json", "html": "/items/227928.html", "rank": 19, "premium": { "pct_over_baseline": 925.4, "spec_diffs": { "media_included": [ null, true ], "quiet_operation": [ null, true ], "adjustable_flow": [ null, true ] }, "note": "Three-stage filtration, adjustable flow, included media, and an oil skimmer provide versatile operation." } }, { "id": 227939, "name": "Vimvins Hang-On-Back Filter Small", "brand": "Vimvins", "gtin": null, "category": "aquarium-filters", "size": { "value": 18.927, "unit": "L" }, "size_as_extracted": { "value": 18927.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 18927, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": {}, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 0.76, "price": 14.39, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FX3FF7JH" }, "lowest_price": { "price": 14.39, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FX3FF7JH" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0FX3FF7JH", "gtin": null, "price": 14.39, "currency": "USD", "price_usd": 14.39, "unit_price": 0.76, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "3-5 Gallon", "url": "https://www.amazon.com/dp/B0FX3FF7JH", "observed_at": "2026-10-10T07:27:27-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227939.json", "html": "/items/227939.html", "rank": 20, "premium": { "pct_over_baseline": 970.4, "spec_diffs": {}, "note": null } }, { "id": 227933, "name": "Fluval 307 Performance Canister Filter", "brand": "Fluval", "gtin": null, "category": "aquarium-filters", "size": { "value": 264.879, "unit": "L" }, "size_as_extracted": { "value": 264879.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 264879, "flow_rate": 1150000, "filtration_stages": null, "power_source": "AC-powered", "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Power source": "AC-powered" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "premium", "premium_note": "Fluval\u2019s high-flow canister design is rated for aquariums up to 70 gallons.", "best": { "unit_price": 0.823, "price": 217.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B07JH4JHTC" }, "lowest_price": { "price": 217.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B07JH4JHTC" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B07JH4JHTC", "gtin": null, "price": 217.99, "currency": "USD", "price_usd": 217.99, "unit_price": 0.823, "availability": "In Stock", "in_stock": true, "seller": "Amazon.com", "first_party": true, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "70 Gallons", "url": "https://www.amazon.com/dp/B07JH4JHTC", "observed_at": "2026-10-10T07:26:41-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227933.json", "html": "/items/227933.html", "rank": 21, "premium": { "pct_over_baseline": 1059.2, "spec_diffs": { "flow_rate": [ null, 1150000 ] }, "note": "Fluval\u2019s high-flow canister design is rated for aquariums up to 70 gallons." } }, { "id": 227951, "name": "Fluval Performance Canister Filter Black", "brand": "Fluval", "gtin": null, "category": "aquarium-filters", "size": { "value": 170.344, "unit": "L" }, "size_as_extracted": { "value": 170343.53, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 170343.53, "flow_rate": 780000, "filtration_stages": null, "power_source": "AC-powered", "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Power source": "AC-powered" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "premium", "premium_note": "The canister design and high flow rate provide greater filtration capacity for larger aquariums.", "best": { "unit_price": 1.004, "price": 170.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B07JHG13WP" }, "lowest_price": { "price": 170.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B07JHG13WP" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B07JHG13WP", "gtin": null, "price": 170.99, "currency": "USD", "price_usd": 170.99, "unit_price": 1.004, "availability": "In Stock", "in_stock": true, "seller": "Monster Pets", "first_party": false, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "45 Gallons", "url": "https://www.amazon.com/dp/B07JHG13WP", "observed_at": "2026-10-10T09:20:29-04:00", "age_minutes_at_build": 17463 } ], "url": "/items/227951.json", "html": "/items/227951.html", "rank": 22, "premium": { "pct_over_baseline": 1314.1, "spec_diffs": { "flow_rate": [ null, 780000 ] }, "note": "The canister design and high flow rate provide greater filtration capacity for larger aquariums." } }, { "id": 227941, "name": "Mighty Hang On Back Filter Extra Small", "brand": "Mighty", "gtin": null, "category": "aquarium-filters", "size": { "value": 11.356, "unit": "L" }, "size_as_extracted": { "value": 11356.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 11356, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": true }, "standard_attributes": { "Aquarium filter features": "Adjustable flow rate" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": { "unit_price": 1.494, "price": 16.97, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0CJDZJQ9X" }, "lowest_price": { "price": 16.97, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0CJDZJQ9X" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0CJDZJQ9X", "gtin": null, "price": 16.97, "currency": "USD", "price_usd": 16.97, "unit_price": 1.494, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "1-3 Gal [XS]", "url": "https://www.amazon.com/dp/B0CJDZJQ9X", "observed_at": "2026-10-10T07:27:43-04:00", "age_minutes_at_build": 17575 } ], "url": "/items/227941.json", "html": "/items/227941.html", "rank": 23, "premium": { "pct_over_baseline": 2004.2, "spec_diffs": { "adjustable_flow": [ null, true ] }, "note": null } }, { "id": 227948, "name": "Penn-Plax Cascade Pro Series I Canister Filter", "brand": "Penn-Plax", "gtin": null, "category": "aquarium-filters", "size": { "value": 113.562, "unit": "L" }, "size_as_extracted": { "value": 113562.0, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": 113562, "flow_rate": 851718, "filtration_stages": null, "power_source": null, "suitable_for_water_type": "Both", "media_included": true, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Media included", "Suitable for water type": "Both" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "premium", "premium_note": "The bundle includes bio media and rotating valves and supports freshwater and saltwater tanks.", "best": { "unit_price": 1.497, "price": 169.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H5TJPKPW" }, "lowest_price": { "price": 169.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0H5TJPKPW" }, "size_missing": false, "unranked_reason": null, "offers": [ { "retailer": "amazon", "retailer_id": "B0H5TJPKPW", "gtin": null, "price": 169.99, "currency": "USD", "price_usd": 169.99, "unit_price": 1.497, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "30 Gallons", "url": "https://www.amazon.com/dp/B0H5TJPKPW", "observed_at": "2026-10-10T09:21:39-04:00", "age_minutes_at_build": 17461 } ], "url": "/items/227948.json", "html": "/items/227948.html", "rank": 24, "premium": { "pct_over_baseline": 2008.5, "spec_diffs": { "flow_rate": [ null, 851718 ], "media_included": [ null, true ], "suitable_for_water_type": [ null, "Both" ] }, "note": "The bundle includes bio media and rotating valves and supports freshwater and saltwater tanks." } } ], "unranked_items": [ { "id": 227927, "name": "fishkeeper Canister Filter", "brand": "fishkeeper", "gtin": null, "category": "aquarium-filters", "size": { "value": null, "unit": "ml" }, "size_as_extracted": { "value": null, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": null, "flow_rate": 1476310, "filtration_stages": 3, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Multi-stage filtration" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "Higher flow and three-stage filtration provide added circulation and filtration capacity.", "best": null, "lowest_price": { "price": 85.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FCRM167R" }, "size_missing": true, "unranked_reason": "size_missing", "offers": [ { "retailer": "amazon", "retailer_id": "B0FCRM167R", "gtin": null, "price": 85.99, "currency": "USD", "price_usd": 85.99, "unit_price": null, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "A-25W- 390GPH/1500LPH", "url": "https://www.amazon.com/dp/B0FCRM167R", "observed_at": "2026-10-10T07:25:53-04:00", "age_minutes_at_build": 17577 } ], "url": "/items/227927.json", "html": "/items/227927.html" }, { "id": 227931, "name": "PONDFORSE Canister Filter Small", "brand": "PONDFORSE", "gtin": null, "category": "aquarium-filters", "size": { "value": null, "unit": "ml" }, "size_as_extracted": { "value": null, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": null, "flow_rate": 651091, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": true, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Media included, Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "Ultra-quiet operation and included media add convenience over a basic filter.", "best": null, "lowest_price": { "price": 59.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DCHVTCTW" }, "size_missing": true, "unranked_reason": "size_missing", "offers": [ { "retailer": "amazon", "retailer_id": "B0DCHVTCTW", "gtin": null, "price": 59.99, "currency": "USD", "price_usd": 59.99, "unit_price": null, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "Small", "url": "https://www.amazon.com/dp/B0DCHVTCTW", "observed_at": "2026-10-10T07:26:25-04:00", "age_minutes_at_build": 17577 } ], "url": "/items/227931.json", "html": "/items/227931.html" }, { "id": 227932, "name": "PONDFORSE Canister Filter Large", "brand": "PONDFORSE", "gtin": null, "category": "aquarium-filters", "size": { "value": null, "unit": "ml" }, "size_as_extracted": { "value": null, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": null, "flow_rate": 999948, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": true, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Media included, Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "Ultra-quiet operation and included media add convenience over a basic filter.", "best": null, "lowest_price": { "price": 79.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0FRSBKP5S" }, "size_missing": true, "unranked_reason": "size_missing", "offers": [ { "retailer": "amazon", "retailer_id": "B0FRSBKP5S", "gtin": null, "price": 79.99, "currency": "USD", "price_usd": 79.99, "unit_price": null, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "Large", "url": "https://www.amazon.com/dp/B0FRSBKP5S", "observed_at": "2026-10-10T07:26:34-04:00", "age_minutes_at_build": 17577 } ], "url": "/items/227932.json", "html": "/items/227932.html" }, { "id": 227935, "name": "fishkeeper Canister Filter", "brand": "fishkeeper", "gtin": null, "category": "aquarium-filters", "size": { "value": null, "unit": "ml" }, "size_as_extracted": { "value": null, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": null, "flow_rate": 1638898, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "High listed flow and quiet operation offer extra circulation and reduced noise.", "best": null, "lowest_price": { "price": 99.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0GR4661MD" }, "size_missing": true, "unranked_reason": "size_missing", "offers": [ { "retailer": "amazon", "retailer_id": "B0GR4661MD", "gtin": null, "price": 99.99, "currency": "USD", "price_usd": 99.99, "unit_price": null, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "432GPH -1600LPH", "url": "https://www.amazon.com/dp/B0GR4661MD", "observed_at": "2026-10-10T07:26:57-04:00", "age_minutes_at_build": 17576 } ], "url": "/items/227935.json", "html": "/items/227935.html" }, { "id": 227943, "name": "AMOSIJOY Canister Filter Large", "brand": "AMOSIJOY", "gtin": null, "category": "aquarium-filters", "size": { "value": null, "unit": "ml" }, "size_as_extracted": { "value": null, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": null, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": true, "adjustable_flow": null }, "standard_attributes": { "Aquarium filter features": "Quiet operation" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "mid", "premium_note": "Ultra-quiet operation is a useful upgrade for aquariums in living spaces.", "best": null, "lowest_price": { "price": 69.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DMSXBXKF" }, "size_missing": true, "unranked_reason": "size_missing", "offers": [ { "retailer": "amazon", "retailer_id": "B0DMSXBXKF", "gtin": null, "price": 69.99, "currency": "USD", "price_usd": 69.99, "unit_price": null, "availability": "In Stock", "in_stock": true, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "Large", "url": "https://www.amazon.com/dp/B0DMSXBXKF", "observed_at": "2026-10-10T09:20:21-04:00", "age_minutes_at_build": 17463 } ], "url": "/items/227943.json", "html": "/items/227943.html" }, { "id": 227947, "name": "CKDFK Bio Sponge Pad Filter Media 20 PPI", "brand": "CKDFK", "gtin": null, "category": "aquarium-filters", "size": { "value": null, "unit": "ml" }, "size_as_extracted": { "value": null, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": null, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": {}, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": null, "lowest_price": { "price": 8.99, "retailer": "amazon", "url": "https://www.amazon.com/dp/B0DFQBCS4S" }, "size_missing": true, "unranked_reason": "size_missing", "offers": [ { "retailer": "amazon", "retailer_id": "B0DFQBCS4S", "gtin": null, "price": 8.99, "currency": "USD", "price_usd": 8.99, "unit_price": null, "availability": "Only 17 left in stock - order soon.", "in_stock": null, "seller": null, "first_party": null, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "11\" Lx 10.25\"W x 2\"H 20PPI", "url": "https://www.amazon.com/dp/B0DFQBCS4S", "observed_at": "2026-10-10T09:21:32-04:00", "age_minutes_at_build": 17462 } ], "url": "/items/227947.json", "html": "/items/227947.html" }, { "id": 227950, "name": "Aqueon QuietFlow LED PRO Ammonia Reducer Filter Pads Ammonia reducer", "brand": "Aqueon", "gtin": null, "category": "aquarium-filters", "size": { "value": null, "unit": "ml" }, "size_as_extracted": { "value": null, "unit": "ml" }, "unit_price_unit": "L", "specs": { "max_tank_volume": null, "flow_rate": null, "filtration_stages": null, "power_source": null, "suitable_for_water_type": null, "media_included": null, "quiet_operation": null, "adjustable_flow": null }, "standard_attributes": { "Filter type": "Chemical" }, "shopify_category_id": "gid://shopify/TaxonomyCategory/ap-2-4-5", "meets_minimum_spec": false, "tier": "basic", "premium_note": null, "best": null, "lowest_price": { "price": 11.95, "retailer": "amazon", "url": "https://www.amazon.com/dp/B01M8QHG88" }, "size_missing": true, "unranked_reason": "size_missing", "offers": [ { "retailer": "amazon", "retailer_id": "B01M8QHG88", "gtin": null, "price": 11.95, "currency": "USD", "price_usd": 11.95, "unit_price": null, "availability": "In Stock", "in_stock": true, "seller": "Amazon.com", "first_party": true, "shipping": { "text": "FREE delivery", "price": 0.0 }, "size_text": "For Model 30 and 50", "url": "https://www.amazon.com/dp/B01M8QHG88", "observed_at": "2026-10-10T09:29:15-04:00", "age_minutes_at_build": 17454 } ], "url": "/items/227950.json", "html": "/items/227950.html" } ], "n_items": 31, "n_priced": 24, "url": "/categories/aquarium-filters.json", "html": "/categories/aquarium-filters.html" }