Unverified90% confidenceDecision RuleTime unknown
过滤等级看HEPA级别:H11过滤PM2.5效率95%、H13达99.95%可拦截更细颗粒;甲醛去除需额外的活性炭+分子筛复合滤网,仅标注HEPA不代表除醛,选购需确认独立的化学过滤层
1
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90%
Confidence
Long-term
Relevance
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Unverified过滤等级看是否配H11以上HEPA滤网(PM2.5净化效率≥95%),甲醛去除需额外配活性炭复合滤网,仅标注PM2.5的机型对新房甲醛几乎无效92% similarUnverified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90% 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88% similarUnverified滤芯配置看层级:初效(可水洗,防大颗粒)+ 高效HEPA(H11以上,PM2.5去除率≥95%),活性炭层针对甲醛/异味。只有一层滤网的机型除PM2.5能力不足87% similarUnverified空气净化器HEPA滤网认准H13级别(过滤0.3微米颗粒≥99.97%),H11级仅95%,标注'类HEPA'或'HEPA型'的多为营销话术无认证87% similar
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