{"niche":"哪些空气净化器最适合过敏患者？","description":"What are the best air purifiers for allergy sufferers?","products":[{"brand":"Austin Air","model":"HealthMate HM400","price_gbp":522.59,"origin_country":null,"specs":{"cadr":"AHAM CADR not tested; PM/CFM data reported: Top speed PM1 CADR 156 cfm; Sub-45 dBA PM1 CADR 77 cfm; AHAM PM2.5 CADR 154 cfm","filter_types":"Permafilt pre-filter; Cotton/poly pre-filter; True HEPA; Activated carbon and zeolite (15 lb)","coverage_area":"1500 (1 ACH); 750 (2 ACH); 562.5 (3 ACH); 375 (4 ACH); 281.25 (6 ACH); 187.5 (8 ACH)","energy_consumption":"Speed 1: 61.1; Speed 2: 85.05; Speed 3: 147.6","maximum_noise_level":"50-66 dBA (site reports)","air_changes_per_hour":"Examples listed per room size: 1-8 ACH per sizes above","filter_replacement_interval":"5 years"},"confidence_score":null,"sources":[{"label":"Austin Air (manufacturer shop)","url":"https://austinair.com/collections/healthmate/products/healthmate-hm400","currency":"USD","source_country":"US","price":699.0,"price_gbp":522.59,"scraped_at":"2026-06-12T15:20:11.070985"}],"summary":"The Austin Air HealthMate HM400 is a heavy-duty 4-stage air purifier combining a True HEPA filter with a 15 lb activated carbon/zeolite gas filter and 360° intake for broad room coverage and VOC/odor removal. It's designed for continuous use with long-lived filters (up to 5 years), multiple fan speeds, and suitability for large rooms up to 1500 sq. ft. while producing moderate to high noise at top speed.","ideal_for":"适合过敏人群：其 True HEPA（0.3 微米时 99.97%）加上大量前置过滤和 15 lb 碳/沸石可去除过敏原及相关气味/VOC，3 ACH 下覆盖约 562.5 sq ft 的房间。"},{"brand":"Winix","model":"Winix 5510","price_gbp":134.57,"origin_country":null,"specs":{"cadr":"AHAM PM2.5 CADR: 252 (dust)","filter_types":"Pre-filter, True HEPA, Activated carbon (pelleted)","coverage_area":"372","energy_consumption":"53.84","maximum_noise_level":"67.2","air_changes_per_hour":"5","filter_replacement_interval":"12 months"},"confidence_score":null,"sources":[{"label":"Winix USA (manufacturer store)","url":"https://www.winixamerica.com/product/5510/","currency":"USD","source_country":"US","price":179.99,"price_gbp":134.57,"scraped_at":"2026-06-12T15:19:53.578095"}],"summary":"The Winix 5510 is a large-room air purifier with True HEPA filtration, pelleted activated carbon for high deodorization, PlasmaWave boost, Wi‑Fi app control, and Energy Star certification. It delivers strong CADR performance for dust and particulate removal and includes a filter-life indicator and auto mode, suited for living rooms and bedrooms.","ideal_for":"适合过敏人群：其 True HEPA 过滤器加上 252（PM2.5）CADR 及每小时 5 次换气，约适用于 372 sq ft 的空间，能有效去除灰尘和花粉。"}]}