Unverified90% confidenceDecision RuleTime unknown
纯负离子型车载净化器几乎不能去除PM2.5和甲醛,只能除异味,且负离子会产生臭氧,甲醛/尾气净化必须选HEPA+活性炭复合滤网
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Long-term
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Unverified纯负离子发生器不带HEPA滤网,无法真正过滤PM2.5和去除甲醛,若主要诉求是净化空气/除霾除甲醛,应选带滤网的空气净化器而非纯负离子机90% similarUnverified纯负离子发生器无风扇无滤网,对PM2.5、甲醛的去除能力有限,若主诉求是净化空气应选带HEPA滤网的空气净化器(负离子仅作辅助功能),别把负离子机当净化器买90% similarUnverified纯负离子发生器不具备过滤PM2.5和甲醛的能力,仅靠静电让颗粒物沉降到地面/家具,若主诉求是除尘除霾应选带HEPA滤网的空气净化器(负离子仅作辅助功能)90% similarUnverified若主要诉求是去除PM2.5、甲醛、异味,不应只买负离子发生器——负离子对颗粒物只能使其沉降到地面而非清除,应选带HEPA滤网+活性炭的空气净化器(可附带负离子功能)90% similarUnverified负离子发生器不等于空气净化器,负离子主要作用是让PM沉降而非过滤,无HEPA滤网的纯负离子机无法真正去除甲醛/PM2.5,装修污染或雾霾需求应买带滤网的净化器88% similar
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