Unverified90% confidenceDecision RuleTime unknown
标准新风滤网配置应为G4初效（拦截毛发/大颗粒）+ F7/F8中效（拦截PM2.5）+ H11/H13高效（HEPA）三级结构，缺少初效层会导致HEPA快速堵塞、寿命缩短一半以上
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90%
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Long-term
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