{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:30:32+00:00","price":"149.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GS53D4FK?maas=maas_adg_api_579551081033313738_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcae1b3705edded0067696d763ce33b2b&aa_adgroupid=f4391135c841086d942a2b91da433dd4_PBSEP_!!!affid!!!_118045_&aa_creativeid=9857FOBR9F5rKJ1ZUOrN8op2XaL9pwlXnTqeSegym7nrHvQ_c"}],"product":{"brand":"Waterdrop-UK","evidence_url":"https://mainbuyer.com/evidence/products/waterdrop-t3-t-remineralization-reverse-osmosis-system-220-gpd-faster-flow-b0gs53d4fk/prices","gtin":null,"id":12869,"model_number":null,"name":"Waterdrop T3-T Remineralization Reverse Osmosis System, 220 GPD Faster Flow","product_url":"https://mainbuyer.com/product/waterdrop-t3-t-remineralization-reverse-osmosis-system-220-gpd-faster-flow-b0gs53d4fk","urn":"MB-AWIN-GB-B0GS53D4FK"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"149.99","historical_low":"149.99","last_observed_at":"2026-09-17T12:30:32+00:00","low_30d":"149.99","low_90d":"149.99","median_price":"149.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:32+00:00"}}