[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

PM2.5污染严重地区(年均AQI>100)应选H11及以上过滤等级的通风器,H11对PM2.5过滤效率≥95%;仅防花粉防柳絮选G4+F7初中效滤网即可,无需高等级HEPA以免增加阻力降低风量

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82%
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Long-term
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