Unverified90% confidenceDecision RuleTime unknown
过滤系统认准整机HEPA密封(whole-machine sealed HEPA),而非仅滤芯是HEPA级——非密封机身会从缝隙漏出细颗粒物造成二次扬尘,过敏人群和有呼吸道疾病者必须选整机密封
1
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90%
Confidence
Long-term
Relevance
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Unverified过滤系统应为'五层以上多锥气旋+HEPA整机密封',仅有HEPA滤网但机身密封不良会漏灰,过敏人群必须确认'整机密封'描述88% similarUnverified过敏人群或有呼吸道疾病者,应确认机型带HEPA滤网且整机密封(五级过滤),否则细尘会从机身缝隙二次排放,普通无密封机型不适合86% similarUnverified过敏人群/有呼吸道疾病应选带HEPA且整机密封性好的机型,否则细尘会从缝隙二次逸出,普通滤网机型意义有限86% similarUnverified过敏体质家庭应选择整机密封+HEPA 13级及以上过滤的机型,仅有HEPA滤芯但机身漏气会导致细颗粒物从缝隙逸出,过滤等效无效86% similarUnverified配备HEPA滤网,可拦截细微粉尘和过敏原,但滤网属于耗材需定期清洗或更换以保持过滤效果84% similar
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