Unverified85% confidenceDecision RuleTime unknown
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
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified过敏体质或养宠家庭应选H12/H13级HEPA且'整机密封'设计，否则细尘会从机身缝隙泄漏，单看滤芯等级而机身不密封等于没过滤89% similarUnverified过敏体质或养宠家庭必须选HEPA H12级以上+整机密封结构（尘气分离），否则细颗粒会从机身缝隙二次扬尘，抵消过滤意义87% similarUnverified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86% similarUnverified过滤等级选HEPA H13级（过滤0.3微米颗粒≥99.95%）+ 整机密封设计，才能真正防二次扬尘，仅有HEPA滤芯但机身漏风的机型无效86% similarUnverified过敏性鼻炎/哮喘家庭必须选HEPA H12以上级别+整机密封设计，否则细尘从缝隙泄漏造成二次扬尘，单纯HEPA滤芯而机身不密封等于无效过滤83% similar
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