{"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":"2026-09-17T12:29:28+00:00","price":"37.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CTY3K2V7?maas=maas_adg_api_579551081033313738_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcae1b3705edded0067696d763ce33b2b&aa_adgroupid=217baaf283a4074a3af7b06a4c487813_PBSEP_!!!affid!!!_118045_&aa_creativeid=9ea5jEHg0LL7wiYJIgt67RLl53JvtlLzD95p_byCSp5NgFGo_c"}],"product":{"brand":"Waterdrop-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/waterdrop-ff-02a-ultra-filtration-replacement-for-fc-06-fc-01-fc-04-fc-02-b0cty3k2v7/prices","gtin":null,"id":11265,"model_number":null,"name":"Waterdrop FF-02A Ultra Filtration Replacement for FC-06/FC-01/FC-04/FC-02","product_url":"https://mail.mainbuyer.com/product/waterdrop-ff-02a-ultra-filtration-replacement-for-fc-06-fc-01-fc-04-fc-02-b0cty3k2v7","urn":"MB-AWIN-GB-B0CTY3K2V7"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"37.99","historical_low":"37.99","last_observed_at":"2026-09-17T12:29:28+00:00","low_30d":"37.99","low_90d":"37.99","median_price":"37.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:28+00:00"}}