{
 "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",
 "history": [
  {
   "retailer": "amazon",
   "price": 20.99,
   "unit_price": 0.000277,
   "observed_at": "2026-10-10T07:27:13-04:00"
  }
 ]
}