[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

滤网体系需看是否含H11及以上HEPA滤网,PM2.5一次通过去除率应≥99%(H12/H13级);初效滤网(防大颗粒)可水洗复用,HEPA滤网属耗材,需核算年更换成本,重污染地区HEPA约3-6个月一换

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88%
Confidence
Long-term
Relevance
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