Unverified88% confidenceDecision RuleTime unknown
过滤等级看CADR和HEPA级别：H11去除率≥95%，H12≥99.5%，H13≥99.95%，雾霾重灾区(北方冬季)选H13，一般城市H12足够且更省滤芯
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified过滤等级看HEPA标准，H12对PM2.5去除率≥99.5%，H13≥99.95%，重污染城市选H13；三层滤网(初效+活性炭+HEPA)可兼顾除尘除甲醛除异味91% 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88% similarUnverified过滤等级看HEPA标准：H11过滤效率95%、H13达99.95%，雾霾城市选H13；但H13阻力大导致风量损失和噪音增加，普通空气质量地区H11即可平衡风量88% similarUnverified过滤等级看HEPA标注：HEPA H11过滤≥95%颗粒，H12≥99.5%，H13≥99.95%，有哮喘/过敏鼻炎人群应选H12及以上尘袋86% similarUnverified空气净化器滤网优先认准HEPA等级：H13级对0.3微米颗粒过滤效率≥99.97%，H11级仅95%，雾霾/过敏人群应选H13及以上86% similar
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