Unverified88% confidenceDecision RuleTime unknown
滤网体系需看是否含H11及以上HEPA滤网,PM2.5一次通过去除率应≥99%(H12/H13级);初效滤网(防大颗粒)可水洗复用,HEPA滤网属耗材,需核算年更换成本,重污染地区HEPA约3-6个月一换
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88%
Confidence
Long-term
Relevance
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Unverified过滤PM2.5应认准H11-H13级HEPA滤网,H13级对0.3微米颗粒过滤效率≥99.95%;重污染城市优先选带初效+中效+H13三级过滤结构,可延长HEPA寿命85% similarUnverified过滤等级看HEPA标号,H13级PM2.5去除率≥99.95%,H11约95%,重污染地区(雾霾城市)应选H12/H13,同时确认有初效滤网保护HEPA延长寿命85% similarUnverified选择带H13级HEPA滤网的机型PM2.5一次通过去除率可达99.95%以上;仅配G4+F7中效滤网的机型对PM2.5去除率约60%~80%,雾霾严重地区(AQI常年>150)应选H12/H13以上84% similarUnverified滤网寿命与空气质量强相关:重污染地区或长期开机,HEPA滤网3-6个月即需更换,静电模块虽可水洗但清洗后过滤效率难恢复至新品水平83% similarUnverifiedHEPA滤网等级H13可过滤≥99.95%的0.3微米颗粒,H11为95%,是选购HEPA机型时判断过滤效率的关键参数82% similar
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