{"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":"2026-09-17T12:27:58+00:00","price":"199.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GHX5MF4K?maas=maas_adg_api_579551081033313738_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcae1b3705edded0067696d763ce33b2b&aa_adgroupid=73787bde5dc4e8316eed8732dd2dca0f_PBSEP_!!!affid!!!_118045_&aa_creativeid=06b8oOJ9FwAI6DKLxCacqoLRUzYmjwRdfBlwN0qVBU1BIFc_c"}],"product":{"brand":"Waterdrop-UK","evidence_url":"https://mainbuyer.com/evidence/products/waterdrop-t3-m-remineralization-reverse-osmosis-system-450-gpd-b0ghx5mf4k/prices","gtin":null,"id":8498,"model_number":null,"name":"Waterdrop T3-M Remineralization Reverse Osmosis System, 450 GPD","product_url":"https://mainbuyer.com/product/waterdrop-t3-m-remineralization-reverse-osmosis-system-450-gpd-b0ghx5mf4k","urn":"MB-AWIN-GB-B0GHX5MF4K"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"199.99","historical_low":"199.99","last_observed_at":"2026-09-17T12:27:58+00:00","low_30d":"199.99","low_90d":"199.99","median_price":"199.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:58+00:00"}}