Unverified88% confidenceDecision RuleTime unknown
过滤系统必须为HEPA(至少H11级)以上,因为螨虫过敏原主要来自螨虫排泄物和尸体碎屑(直径可达10微米以下),普通海绵滤网会让细小过敏原重新排回空气造成二次污染
1
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88%
Confidence
Long-term
Relevance
-
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Unverified过敏体质人群应选配备HEPA滤网(H11级以上)且带尘气分离/多重过滤的机型,避免吸入的微尘和过敏原从出风口二次逸出,普通海绵滤网无法拦截0.3微米级螨虫排泄物颗粒93% similarUnverified螨虫及其排泄物颗粒极小(10-40微米),滤网必须为HEPA H11级以上(H12/H13更佳),否则吸入的过敏原会从出风口重新排回空气中,反而加重过敏93% similarUnverifiedHEPA滤网必须达到H11级以上(拦截0.3微米颗粒≥95%)才能有效防止吸入的螨虫过敏原重新排放到空气中,无HEPA或低等级滤网会造成二次污染92% similarUnverified对过敏人群,滤网等级比吸力大小更关键:需选H11级以上HEPA且带密封结构,否则吸进的螨虫过敏原(0.3微米以下颗粒)会从缝隙重新排回空气,反而加重过敏;无密封设计的机型即使标称HEPA也会漏灰91% similarUnverified除螨仪的HEPA过滤等级建议达到H11以上,否则吸入的螨虫尸体和粪便过敏原会从出风口二次排放,对过敏人群反而有害91% similar
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