Unverified85% confidenceFactTime unknown
HEPA滤芯效率标注需认准H13级别（对0.3μm颗粒过滤≥99.97%）而非H11(≥95%)，病毒气溶胶依附于飞沫颗粒，H13对3μm以上飞沫过滤更彻底
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85%
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Long-term
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UnverifiedHEPA滤网等级H13可过滤≥99.95%的0.3微米颗粒，H11为95%，是选购HEPA机型时判断过滤效率的关键参数93% similarUnverifiedHEPA滤网等级H13可过滤0.3微米颗粒物≥99.97%，H11约95%；家用除PM2.5和病毒气溶胶应选H13及以上等级滤网91% similarUnverifiedHEPA滤网等级H11过滤效率约95%，H12约99.5%，H13达99.95%（可拦截0.3微米颗粒），选购除PM2.5/病毒应认准H13级别，H11不足以有效过滤细菌病毒91% similarUnverifiedH13级HEPA对0.3微米颗粒过滤效率≥99.97%，H11仅≥95%；有过敏原/PM2.5需求选H13起步，H11更适合基础除尘89% similarUnverifiedHEPA滤网等级：H11过滤效率≥95%，H13≥99.95%，H13对0.3微米颗粒过滤更彻底，对过敏原和细颗粒敏感人群应选H13级89% similar
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