Unverified85% confidenceTradeoffTime unknown
活性炭滤网主打除异味（新装修甲醛、宠物味），对PM2.5几乎无过滤作用；HEPA主打颗粒物过滤但不除味，两者功能不可互相替代，异味+粉尘双需求需选复合层滤网
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85%
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Long-term
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Unverified活性炭布滤网主要针对异味、甲醛、烟味等气态污染物，对PM2.5颗粒物过滤能力很弱；若诉求是防尘防雾霾应选静电棉/HEPA，若诉求是除异味才选活性炭，两者不可互相替代91% similarUnverified带活性炭复合层的HEPA滤网可同时除甲醛/异味，但活性炭吸附饱和后需整体更换，纯颗粒物污染场景选纯HEPA更划算81% 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81% similarUnverified带滤网/HEPA的吸吹机型清理灰尘时不会二次扬尘，过敏体质或清理长期积灰环境应优先选带滤网款81% similarUnverified除宠物异味需选带活性炭滤网且炭量≥400g的机型，蜂窝状活性炭比颗粒状吸附面积大、寿命长；仅靠HEPA滤网无法去除氨类和硫化物异味81% similar
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