{"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":"2026-10-03T19:12:20+00:00","price":"34.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GQ9Z9GXJ?maas=maas_adg_api_577491106965431055_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB9f214abf6d9c099f0d2e74c9916d569f&aa_adgroupid=6a75eb86365c435e355a24ec5cfe212e_PBSEP_!!!affid!!!_118045_&aa_creativeid=216fMEAVEIyeJoDbGA5cLgD3ABmT3uQz0Ysk27bLY_acxg9o_c"}],"product":{"brand":"Laifen-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/laifen-max-extra-coverage-brush-heads-6-pack-firm-for-all-laifen-models-b0gq9z9gxj/prices","gtin":null,"id":16366,"model_number":null,"name":"Laifen Max Extra Coverage Brush Heads, 6 Pack, Firm, for All Laifen Models","product_url":"https://www.mainbuyer.com/product/laifen-max-extra-coverage-brush-heads-6-pack-firm-for-all-laifen-models-b0gq9z9gxj","urn":"MB-AWIN-GB-B0GQ9Z9GXJ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"34.99","historical_low":"34.99","last_observed_at":"2026-10-03T19:12:20+00:00","low_30d":"34.99","low_90d":"34.99","median_price":"34.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-03T19:12:20+00:00"}}