{"niche":"哪些空气净化器具有最长的滤网更换间隔？","description":"Which air purifiers have the longest filter replacement intervals?","products":[{"brand":"Alen","model":"Alen BreatheSmart 45i (long-life HEPA filters)","price_gbp":319.59,"origin_country":null,"specs":{"cadr":"255","filter_types":"Essential (Pure), Advanced (Fresh), Ultimate (Odor), VOC/Smoke","coverage_area":"950","maximum_noise_level":"49","filter_replacement_interval":"Essential (Pure): 9-12 months; Advanced/Ultimate: 6-8 months"},"confidence_score":null,"sources":[{"label":"Alen (official store)","url":"https://alen.com/products/breathesmart-45i","currency":"USD","source_country":"US","price":449.0,"price_gbp":334.49,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"HouseFresh (review + retailer listing)","url":"https://housefresh.com/alen-breathesmart-45i-review/","currency":"USD","source_country":"US","price":429.0,"price_gbp":319.59,"scraped_at":"2026-06-15T02:16:38.569359"}],"summary":"Alen BreatheSmart 45i 是一款适用于中大房间的 HEPA 空气净化器，提供可互换的长寿命 HEPA 滤网选项（Pure、Fresh、Odor、VOC/Smoke），支持应用控制，并具有高 CADR（255）以实现快速清洁。运行噪音低，提供终身保修并可订阅滤网，更适合卧室和起居空间，优先考虑低噪音与强效颗粒去除的场景。","ideal_for":"适合追求最长滤网更换间隔的人群：其 Essential (Pure) 滤网在建议 24/7 运行下寿命为 9-12 个月，较该型号的其他滤网选项更长。"},{"brand":"AirDoctor","model":"AD3000","price_gbp":416.43,"origin_country":null,"specs":{"cadr":"CADR 340 (AirDoctor site) / 373 CFM (some reviews)","filter_types":"Pre-filter, UltraHEPA, Carbon, VOC filter, Negative ion","coverage_area":"628","maximum_noise_level":"54","air_changes_per_hour":"4x/hour (628 sq ft)","filter_replacement_interval":"6-12 months"},"confidence_score":null,"sources":[{"label":"Home Depot","url":"https://www.homedepot.com/p/AD3000-AD3500-4-in-1-Pre-Filter-UltraHEPA-Carbon-and-VOC-Filters-Air-Purifier-Air-Quality-Sensor-For-Homes-and-Large-90AD350AD01/326031195","currency":"USD","source_country":"US","price":559.0,"price_gbp":416.43,"scraped_at":"2026-06-15T02:21:20.606958"},{"label":"AirDoctor (support/CADR page)","url":"https://airdoctor.zendesk.com/hc/en-us/articles/4403859469335-What-the-CADR-for-AirDoctor-3000-3500","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:20.606958"},{"label":"ModernCastle (review with buy links)","url":"https://moderncastle.com/air-purifiers/airdoctor-3000-review/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:20.606958"},{"label":"Home Depot","url":"https://www.homedepot.com/p/AD3000-AD3500-4-in-1-Pre-Filter-UltraHEPA-Carbon-and-VOC-Filters-Air-Purifier-Air-Quality-Sensor-For-Homes-and-Large-90AD350AD01/326031195","currency":"USD","source_country":"US","price":559.0,"price_gbp":416.43,"scraped_at":"2026-06-15T02:21:23.120709"},{"label":"AirDoctor (support/CADR page)","url":"https://airdoctor.zendesk.com/hc/en-us/articles/4403859469335-What-the-CADR-for-AirDoctor-3000-3500","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:23.120709"},{"label":"ModernCastle (review with buy links)","url":"https://moderncastle.com/air-purifiers/airdoctor-3000-review/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:23.120709"}],"summary":"The AirDoctor AD3000 is a medium/large-room air purifier using a multi-stage system (pre-filter, UltraHEPA, carbon/VOC and ionization) with high CADR and coverage around 628 sq ft. It offers auto mode, a particle sensor with color indicator, and a filter-life indicator, suitable for homes needing strong particulate and VOC removal without smart features.","ideal_for":"适合用于比较最长更换周期的场景，因为其滤网额定寿命为 6-12 个月，较需要更频繁更换滤网的净化器减少了更换频率。"},{"brand":"Airpura","model":"P700 (or T700)","price_gbp":1154.68,"origin_country":null,"specs":{"filter_types":"Pre-filter, Activated carbon (deep bed), True HEPA, Titanium Dioxide photocatalytic oxidizer, UV-C lamp","coverage_area":"1000 (4 ACH) to 2400 (2 ACH)","energy_consumption":"120 (high) ; 40 (low)","maximum_noise_level":"63.0","air_changes_per_hour":"4 ACH (1000 sq ft) ; 2 ACH (2400 sq ft)","filter_replacement_interval":"Pre-filter 12 months; Carbon 24-30 months; HEPA 3-5 years; TitanClean/PCO 15-24 months; UV lamp 18-24 months"},"confidence_score":null,"sources":[{"label":"Airpura (official store)","url":"https://airpura.com/collections/700-series","currency":"USD","source_country":"US","price":1549.98,"price_gbp":1154.68,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"Air Purifier Store","url":"https://theairpurifierstore.com/products/airpura-p700-air-purifier","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"Airpurifiersandcleaners.com","url":"https://www.airpurifiersandcleaners.com/airpura-p700-plus-titanium-dioxide-filter-air-purifier","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:20:26.757575"}],"summary":"High-capacity, metal-housed air purifier with a very large activated carbon bed, True HEPA filtration and optional TiO2 photocatalytic/UV sanitization; designed for large rooms, heavy odors, VOCs, smoke and continuous operation. Suits homeowners or light-commercial users who need deep chemical and particulate removal across large open spaces.","ideal_for":"适合需要最长更换间隔的用户：HEPA 过滤器寿命为3-5年，深层碳床仅需每24-30个月更换一次。"},{"brand":"Airpura","model":"V400","price_gbp":234.65,"origin_country":null,"specs":{"cadr":"395","filter_types":"Pre-filter, Activated carbon, True HEPA","coverage_area":"1000","energy_consumption":"77 on high / 18 on low","maximum_noise_level":"52","air_changes_per_hour":"2 ach (manufacturer stated)","filter_replacement_interval":"HEPA 5 years; Carbon 2 years"},"confidence_score":null,"sources":[{"label":"The Air Purifier Store","url":"https://theairpurifierstore.com/products/airpura-v400-air-purifier","currency":"USD","source_country":"US","price":629.98,"price_gbp":469.31,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"ACE Vacuums","url":"https://acevacuums.com/products/airpura-v400-for-vocs-and-chemicals-good-for-wildfires-air-purifier","currency":"USD","source_country":"US","price":629.98,"price_gbp":469.31,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"Airpura (replacement/filter store pages)","url":"https://www.airpura.com/collections/replacement-filters-for-v400-1","currency":"USD","source_country":"US","price":314.98,"price_gbp":234.65,"scraped_at":"2026-06-15T02:20:26.757575"}],"summary":"Three-stage filtration with a large activated carbon bed and true HEPA filter for particles, built in a steel housing and designed for large rooms up to 1000 sq ft. Suited for removing VOCs, chemicals and wildfire smoke while providing multi-speed fan control and relatively low noise.","ideal_for":"适合延长滤网更换间隔的用户：其HEPA滤网额定使用寿命为5年，碳滤网为2年，远长于典型消费级机型。"},{"brand":"Alen","model":"BreatheSmart 45i","price_gbp":319.59,"origin_country":null,"specs":{"cadr":"245 CFM","filter_types":"True HEPA, Activated carbon, Pre-filter, Ionizer","coverage_area":"800","energy_consumption":"50","maximum_noise_level":"53","air_changes_per_hour":"5","filter_replacement_interval":"9-12 months"},"confidence_score":null,"sources":[{"label":"Alen","url":"https://alen.com/products/breathesmart-45i","currency":"USD","source_country":"US","price":429.0,"price_gbp":319.59,"scraped_at":"2026-06-15T02:19:36.094082"},{"label":"ModernCastle (product review retail link)","url":"https://moderncastle.com/air-purifiers/alen-breathesmart-45i-review/","currency":"USD","source_country":"US","price":429.0,"price_gbp":319.59,"scraped_at":"2026-06-15T02:19:36.094082"},{"label":"HouseFresh (product page with purchase links)","url":"https://housefresh.com/alen-breathesmart-45i-review/","currency":"USD","source_country":"US","price":429.0,"price_gbp":319.59,"scraped_at":"2026-06-15T02:19:36.094082"}],"summary":"The Alen BreatheSmart 45i is a mid-size air purifier with a True HEPA particle filter, activated carbon options for odors, and an optional ionizer; it covers about 800 sq ft and delivers a CADR of 245 CFM. It's Energy Star-rated, relatively quiet at typical and max levels, and designed for medium-to-large rooms and apartments. ","ideal_for":"适合希望延长更换周期的购买者：其原厂滤网（OEM filters）额定寿命为 9-12个月，最多可在滤网更换之间间隔一年。"},{"brand":"Austin Air","model":"Austin Air HealthMate HM400 (5-year filter)","price_gbp":629.49,"origin_country":null,"specs":{"cadr":"AHAM PM2.5 CADR: 154 cfm (dust); Top-speed PM1 CADR: 156 cfm; Sub-45 dBA PM1 CADR: 77 cfm","filter_types":"Permafilt pre-filter; Cotton/poly pre-filter; 15 lb activated carbon/zeolite gas filter; True HEPA (60 sq ft)","coverage_area":"1500 (1 ACH) / 875 (2 ACH) / 465 (4 ACH) / 315 (6 ACH)","energy_consumption":"61.1 (speed 1); 85.05 (speed 2); 147.6 (speed 3)","maximum_noise_level":"61.5","air_changes_per_hour":"4 (for 234 sq ft recommended)","filter_replacement_interval":"5 years"},"confidence_score":null,"sources":[{"label":"National Allergy Supply","url":"https://www.natlallergy.com/austin-air-healthmate-room-air-purifier-hm400.html","currency":"USD","source_country":"US","price":844.99,"price_gbp":629.49,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"Sheffield Pottery","url":"https://www.sheffield-pottery.com/products/austin-air-healthmate-400-replacement-filter-aahm","currency":"USD","source_country":"US","price":845.0,"price_gbp":629.49,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"HouseFresh (review listing with specs)","url":"https://housefresh.com/austin-air-healthmate/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:16:38.569359"}],"summary":"Austin Air HealthMate HM400 是一款四级重型空气净化器，配备 60 sq ft True HEPA 和 15 lb 活性炭/沸石包，能同时去除颗粒物、气体和异味。该机提供高风量（75-400 cfm）、多速运行并具有长达 5 年的滤网寿命，适用于中到大型房间以及需要强力去除挥发性有机物（VOC）/异味的用户。机身为钢制，带万向脚轮，并提供 5 年保修。","ideal_for":"该产品之所以合适，是因为其滤芯更换周期为 5 年 HEPA/滤芯包，是市面上标准更换周期中最长的之一。"},{"brand":"Austin Air","model":"HealthMate HM400 / HealthMate Plus","price_gbp":629.49,"origin_country":null,"specs":{"cadr":"not tested by AHAM / no AHAM CADR available","filter_types":"Permafilt pre-filter, Cotton/poly pre-filter, True HEPA (60 sq ft), Activated carbon and zeolite (15 lb)","coverage_area":"up to 1500","energy_consumption":"61.1 (speed 1); 85.05 (speed 2); 147.6 (speed 3)","maximum_noise_level":"61.5","air_changes_per_hour":"1 ACH: 1500 sq ft; 2 ACH: 750 sq ft; 3 ACH: 562.5 sq ft; 4 ACH: 375 sq ft; 6 ACH: 281.25 sq ft; 8 ACH: 187.25 sq ft","filter_replacement_interval":"5 years"},"confidence_score":null,"sources":[{"label":"National Allergy Supply","url":"https://www.natlallergy.com/austin-air-healthmate-room-air-purifier-hm400.html","currency":"USD","source_country":"US","price":844.99,"price_gbp":629.49,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"HouseFresh (product review page listing specs and prices)","url":"https://housefresh.com/austin-air-healthmate/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"Allergy Control (Allergy Control Products)","url":"https://www.allergycontrol.com/austin-air-healthmate-room-air-purifier-hm400.html","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:20:26.757575"}],"summary":"The Austin Air HealthMate HM400 / HealthMate Plus is a heavy-duty 4-stage air purifier with a 60 sq ft True HEPA filter and 15 lb activated carbon/zeolite for gas and odor removal. It suits medium to very large rooms and users needing long filter life and strong VOC/odor control.","ideal_for":"适合希望获得最长更换间隔的用户 -- 因为其组合 HEPA 与碳滤包的额定更换周期最长可达 5 年。"},{"brand":"Austin Air","model":"HealthMate Jr HM200","price_gbp":454.42,"origin_country":null,"specs":{"filter_types":"Pre-filter; True medical-grade HEPA; Activated carbon and zeolite","coverage_area":"225","energy_consumption":"80","maximum_noise_level":"67","air_changes_per_hour":"6 (at 225 sq ft)","filter_replacement_interval":"3-5 years"},"confidence_score":null,"sources":[{"label":"US Air Purifiers","url":"https://www.usairpurifiers.com/austin-air-healthmate-jr-hm-200-air-purifier.html","currency":"USD","source_country":"US","price":609.99,"price_gbp":454.42,"scraped_at":"2026-06-15T02:21:20.606958"},{"label":"Air Purifiers and Filters","url":"https://www.airpurifiersandfilters.com/austin-healthmate-junior.php","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:20.606958"},{"label":"HouseFresh (review page with retailer link)","url":"https://housefresh.com/austin-air-healthmate/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:20.606958"},{"label":"US Air Purifiers","url":"https://www.usairpurifiers.com/austin-air-healthmate-jr-hm-200-air-purifier.html","currency":"USD","source_country":"US","price":609.99,"price_gbp":454.42,"scraped_at":"2026-06-15T02:21:23.120709"},{"label":"Air Purifiers and Filters","url":"https://www.airpurifiersandfilters.com/austin-healthmate-junior.php","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:23.120709"},{"label":"HouseFresh (review page with retailer link)","url":"https://housefresh.com/austin-air-healthmate/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-15T02:21:23.120709"}],"summary":"The Austin Air HealthMate Jr HM200 is a compact 4-stage purifier with 360-degree intake, true medical-grade HEPA and a multi-pound activated carbon/zeolite gas filter for chemical and odor removal. It's built for continuous residential use in small to medium rooms and offers long filter life and a 5-year warranty.","ideal_for":"适合需要最长更换间隔的用户，因为其组合 HEPA 和碳/沸石过滤器的额定使用寿命为 3-5 years（制造商/零售商标称的长寿命滤网）。"},{"brand":"Blueair","model":"Blueair HealthProtect 7770i (long-life filter system)","price_gbp":893.21,"origin_country":null,"specs":{"cadr":"435, 400, 435","filter_types":"HEPASilent Ultra, activated coconut carbon, SmartFilter (booklet)","coverage_area":"674","energy_consumption":"9-72","maximum_noise_level":"55","air_changes_per_hour":"5","filter_replacement_interval":"6-12 months (up to 1 year maximum with SmartFilter)"},"confidence_score":null,"sources":[{"label":"Blueair (official)","url":"https://www.blueair.com/healthprotect-7770i","currency":"USD","source_country":"US","price":1199.0,"price_gbp":893.21,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"Aqipa","url":"https://www.aqipa.com/da-DK/lifestyle/household-appliances/air-purifier/air-purifiers/healthprotect-7770i-with-smartfilter/p/249255/pdf","currency":"USD","source_country":"US","price":1199.0,"price_gbp":893.21,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"BreatheQuality","url":"https://breathequality.com/blueair-healthprotect-7770i-review/","currency":"USD","source_country":"US","price":1199.0,"price_gbp":893.21,"scraped_at":"2026-06-15T02:16:38.569359"}],"summary":"Blueair HealthProtect 7770i 采用 HEPASilent Ultra 过滤（电静电 + 机械）并结合活性椰壳炭和 SmartFilter 书本式设计，配合 GermShield 用于微生物控制。该机通过 AHAM 认证，适用于大空间，提供高 CADR 和多传感器智能控制，同时能耗低且运行静音。非常适合需要在大型室内空间中获得强劲净化性能的用户。","ideal_for":"适合用于最长更换间隔的比较：由于其 SmartFilter 设计和基于算法的寿命跟踪，可支持 6-12 个月的更换间隔，并在 SmartFilter 条件下最长可达 1 年。"},{"brand":"Honeywell","model":"AirGenius 5 HFD-320 (intense field dielectric washable filter)","price_gbp":186.23,"origin_country":null,"specs":{"cadr":"161 (smoke), 160 (dust), 170 (pollen)","filter_types":"ifD permanent washable filter; foam pre-filter; optional K odor-reducing pre-filter","coverage_area":"250","energy_consumption":"36.1","air_changes_per_hour":"4.8 per hour (in 250 sq ft)","filter_replacement_interval":"ifD filter permanent and washable (wash ~every 3 months); pre-filter replace every 3 months"},"confidence_score":null,"sources":[{"label":"Honeywell (manufacturer site)","url":"https://www.honeywellpluggedin.com/air_purifiers/honeywell-airgenius-5-air-cleaner-odor-reducer-hfd320/","currency":"USD","source_country":"US","price":269.99,"price_gbp":201.13,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"OnTimeSupplies","url":"https://www.ontimesupplies.com/hwlhfd320-airgenius-5-air-cleaner-odor-reducer-250-sq-ft-black.html","currency":"USD","source_country":"US","price":366.2,"price_gbp":272.8,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"AirPurifierFirst (retailer/review shop links)","url":"https://www.airpurifierfirst.com/review/honeywell-air-genius-5/","currency":"USD","source_country":"US","price":249.99,"price_gbp":186.23,"scraped_at":"2026-06-15T02:20:26.757575"}],"summary":"The Honeywell AirGenius 5 uses a patented ifD intense field dielectric permanent washable filter plus foam and optional odor-reducing pre-filters to clean air in rooms up to 250 sq ft. It is AHAM/ENERGY STAR rated, offers five fan speeds and circulates room air about 4.8 times per hour, suiting users who want low ongoing filter costs and moderate cleaning performance.","ideal_for":"此产品适合用于'最长更换滤网间隔'相关问题，因为其主要的 ifD 滤网为永久可水洗（无需定期更换），与需每年更换滤网的 HEPA 机型相比，可显著减少更换频率。"},{"brand":"IQAir","model":"HealthPro Plus (HealthPro Plus 250)","price_gbp":893.95,"origin_country":null,"specs":{"cadr":"260 CFM","filter_types":"PreMax F8 pre-filter; V5-Cell gas & odor (activated carbon + zeolite) filter; HyperHEPA particle filter (H12/H13)","coverage_area":"406","energy_consumption":"146.4","maximum_noise_level":"64.3","air_changes_per_hour":"4.8 (for 406 sq ft)","filter_replacement_interval":"Pre-filter and carbon: 12-18 months; HyperHEPA: 3-4 years"},"confidence_score":null,"sources":[{"label":"IQAir (official)","url":"https://www.iqair.com/us/air-purifiers/healthpro-plus","currency":"USD","source_country":"US","price":1199.99,"price_gbp":893.95,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"Amazon","url":"https://www.amazon.com/dp/B00XXXXX","currency":"USD","source_country":"US","price":1199.99,"price_gbp":893.95,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"Best Buy","url":"https://www.bestbuy.com/product/iqair-healthpro-plus-xe-air-purifier-white/B7JK74PFQW","currency":"USD","source_country":"US","price":1199.99,"price_gbp":893.95,"scraped_at":"2026-06-15T02:20:26.757575"}],"summary":"The IQAir HealthPro Plus uses a multi-stage system: a PreMax pre-filter, a large V5-Cell activated carbon/zeolite gas & odor filter, and a long-life HyperHEPA particle filter (H12/H13). It delivers high CFM performance for large rooms and long filter lifespans, suiting users who need strong particulate and VOC/odor removal over long intervals. It is relatively noisy and power-hungry at maximum speed.","ideal_for":"适合本问题，因为其 HyperHEPA 过滤器可使用 3-4 年，碳/预过滤器可使用 12-18 个月，在主要消费级空气净化器中更换周期属于最长之列。"},{"brand":"Levoit","model":"Levoit Core Mini-P (low replacement frequency)","price_gbp":37.24,"origin_country":null,"specs":{"cadr":"34","filter_types":"Activated carbon pre-filter","coverage_area":"66","maximum_noise_level":"42.3","filter_replacement_interval":"6 months"},"confidence_score":null,"sources":[{"label":"Levoit","url":"https://levoit.com/products/core-mini-p-air-purifier","currency":"USD","source_country":"US","price":49.99,"price_gbp":37.24,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"Target","url":"https://www.target.com/p/levoit-core-mini-air-purifier/-/A-94328519","currency":"USD","source_country":"US","price":49.99,"price_gbp":37.24,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"TechGearLab (review listing shows typical price)","url":"https://www.techgearlab.com/reviews/health-fitness/air-purifier/levoit-core-mini-p","currency":"USD","source_country":"US","price":50.0,"price_gbp":37.25,"scraped_at":"2026-06-15T02:16:38.569359"}],"summary":"紧凑型三重过滤便携净化器，360°进风，QuietKEAP 噪声抑制低至 25 dB，带活性炭预过滤以去除异味和颗粒；适用于小房间与桌面。为需要非常安静、低成本、节省空间的卧室、办公或宿舍用户设计。","ideal_for":"适用场景：适合比较的原因是其滤网更换间隔为 6 个月，这是一项明确定义的短至中等更换周期，可与更长更换间隔的机型进行比较。"},{"brand":"Shark","model":"HP302 NeverChange MAX","price_gbp":223.48,"origin_country":null,"specs":{"filter_types":"Pre-filter, HEPA, Carbon, Ionizer","coverage_area":"1400","energy_consumption":"54","maximum_noise_level":"53","air_changes_per_hour":"1 ACH (for 1400 sq ft)","filter_replacement_interval":"Up to 5 years"},"confidence_score":null,"sources":[{"label":"Shark","url":"https://www.sharkninja.com/shark-neverchange-air-purifier-max/HP302.html","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:19:36.094082"},{"label":"Home Depot","url":"https://www.homedepot.com/p/Shark-NeverChange-1400-sq-ft-HEPA-Filter-Tower-Air-Purifier-and-Cleaner-in-White-w-Odor-Neutralization-and-Clean-Sense-Tech-HP302/329551612","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:19:36.094082"}],"summary":"The Shark HP302 NeverChange MAX is a large-room tower air purifier with multi-stage filtration (washable debris pre-filters, long-life HEPA, activated carbon, and ionizer), CleanSense IQ air-quality display, and odor neutralizer cartridge. It's designed for whole-home coverage up to 1,400 sq ft and emphasizes very long HEPA filter life to reduce replacement costs.","ideal_for":"适合需要长更换周期的用户：其 NeverChange HEPA 系统号称可使用长达 5 年，使其成为滤网更换间隔最长的机型之一。"},{"brand":"Shark","model":"NeverChange Air Purifier MAX HP302","price_gbp":223.48,"origin_country":null,"specs":{"filter_types":"Pre-filter, HEPA, Activated carbon, Ionizer","coverage_area":"1400","maximum_noise_level":"53","filter_replacement_interval":"5 years"},"confidence_score":null,"sources":[{"label":"Best Buy","url":"https://www.bestbuy.com/product/shark-neverchange-air-purifier-max-5-year-filter-life-1400-sq-ft-white/JXJVXGFJPX","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"The Home Depot","url":"https://www.homedepot.com/p/Shark-NeverChange-1400-sq-ft-HEPA-Filter-Tower-Air-Purifier-and-Cleaner-in-White-w-Odor-Neutralization-and-Clean-Sense-Tech-HP302/329551612","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:20:26.757575"},{"label":"Target","url":"https://www.target.com/p/shark-never-change-air-purifier-max-hp302/-/A-89275274","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:20:26.757575"}],"summary":"The Shark NeverChange Air Purifier MAX HP302 is a tower-style unit with a long-life NeverChange HEPA filter, activated carbon for odors, a washable pre-filter, and an ionizer. It's designed for large spaces (about 1,400 sq ft) and emphasizes very low maintenance with a 5-year filter life.","ideal_for":"适合希望尽可能延长更换滤网间隔的用户 -- 其 NeverChange HEPA 过滤器额定可使用 5 年，远长于典型 HEPA 更换周期。"},{"brand":"Shark","model":"NeverChange HP202","price_gbp":223.48,"origin_country":null,"specs":{"filter_types":"True HEPA, Pre-filter, Carbon, Odor Neutralizer","coverage_area":"1200","energy_consumption":"36","air_changes_per_hour":"1","filter_replacement_interval":"5 years"},"confidence_score":null,"sources":[{"label":"Shark","url":"https://www.sharkninja.com/shark-air-purifier-max-with-true-hepa/HP202.html","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:19:36.094082"},{"label":"Best Buy","url":"https://www.bestbuy.com/product/shark-air-purifier-max-with-true-nanoseal-hepa-cleansense-iq-odor-lock-cleans-up-to-1200-sq-ft-charcoal-grey/JXJVXG4QCZ","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:19:36.094082"},{"label":"Home Depot","url":"https://www.homedepot.com/p/Shark-True-Console-1000-sq-ft-HEPA-Filter-Air-Purifier-and-Cleaner-in-Blacks-with-True-NanoSeal-Cleansense-IQ-and-Odor-Lock-HP202/320485861","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:19:36.094082"}],"summary":"The Shark NeverChange HP202 is a large-room air purifier with True HEPA multi-filter, Odor Neutralizer technology, CleanSense IQ air-quality sensing, and long-life filters designed to cover up to 1200 sq ft. It targets allergens, dust, smoke, and odors while minimizing maintenance with a claimed five-year HEPA filter life. Suits users wanting low filter-replacement costs and large-room coverage.","ideal_for":"该机适合的用户是那些看重滤网更换间隔为 5 年的用户--这是消费类空气净化器中宣称寿命较长的选项之一。"},{"brand":"Shark","model":"Shark HE601W 'NeverChange' (5-year filter)","price_gbp":126.64,"origin_country":null,"specs":{"cadr":"97","filter_types":"True HEPA Multi-Filter (Pre-filter, Activated Carbon, NanoSeal HEPA)","coverage_area":"650","energy_consumption":"26","maximum_noise_level":"62.4","filter_replacement_interval":"up to 5 years"},"confidence_score":null,"sources":[{"label":"Shark","url":"https://www.sharkninja.com/shark-neverchange-air-purifier/HP152.html","currency":"USD","source_country":"US","price":169.99,"price_gbp":126.64,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"Best Buy","url":"https://www.bestbuy.com/product/shark-neverchange-air-purifier-5-year-hepa-filter-life-650-sq-ft-black/JXJVXGFQKQ","currency":"USD","source_country":"US","price":199.99,"price_gbp":148.98,"scraped_at":"2026-06-15T02:16:38.569359"},{"label":"Home Depot","url":"https://www.homedepot.com/p/Shark-NeverChange-1400-sq-ft-HEPA-Filter-Tower-Air-Purifier-and-Cleaner-in-White-w-Odor-Neutralization-and-Clean-Sense-Tech-HP302/329551612","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T02:16:38.569359"}],"summary":"紧凑型塔式净化器，采用多级过滤（预过滤器、活性炭、NanoSeal HEPA），配备 CleanSense IQ 空气质量显示屏、除臭中和剂墨盒，且功耗低。适用于中到大房间，适合希望获得持久滤网与低维护需求的用户。","ideal_for":"适合希望延长滤芯更换间隔的购买者--本产品采用 NeverChange 过滤，标称最长可达 5 年，较典型的 12 个月机型可减少滤芯更换次数。"}]}