{"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":"2026-09-17T12:26:37+00:00","price":"399.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DGLCV3B6?maas=maas_adg_api_579551081033313738_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=cae1b3705edded0067696d763ce33b2b&aa_adgroupid=ef32fa71c1148a611773278e2597e658_PBSEP_!!!affid!!!_118045_&aa_creativeid=396dQhUO9F31xq3pBYsBhh_aC0XPp5Q3Gtw1YwuXDYkBc5wY_c"}],"product":{"brand":"Waterdrop-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/waterdrop-a2-hot-and-cold-countertop-reverse-osmosis-system-b0dglcv3b6/prices","gtin":null,"id":6121,"model_number":null,"name":"Waterdrop A2 Hot and Cold Countertop Reverse Osmosis System","product_url":"https://www.mainbuyer.com/product/waterdrop-a2-hot-and-cold-countertop-reverse-osmosis-system-b0dglcv3b6","urn":"MB-AWIN-GB-B0DGLCV3B6"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"399.00","historical_low":"399.00","last_observed_at":"2026-09-17T12:26:37+00:00","low_30d":"399.00","low_90d":"399.00","median_price":"399.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:26:37+00:00"}}