Unverified80% confidenceTradeoffTime unknown
复合滤芯(HEPA+活性炭一体)更换便宜但除甲醛和除颗粒物寿命不同步，往往活性炭失效时HEPA还能用；分体滤芯前期贵但可分别更换，长期使用综合成本更低
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
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