Unverified90% confidenceFactTime unknown
HEPA等级需达H13级(对0.3微米颗粒过滤效率≥99.97%)才能有效拦截花粉、尘螨和病毒气溶胶,婴儿房不建议用H11以下等级(过滤效率仅95%左右)
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90%
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Long-term
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