Unverified80% confidenceFactTime unknown
过滤系统等级差异大：多层过滤+HEPA可拦截0.3微米微尘防排风口二次扬尘，单层海绵过滤易漏尘并将细粉尘重新吹散到地面
1
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80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified过滤系统决定吸尘持久力：HEPA+旋风分离双重过滤能防止细灰堵塞滤芯导致吸力衰减，单层海绵滤网机型吸几次后吸力骤降，选购认准可水洗HEPA滤芯87% similarUnverified带滤网/HEPA的吸吹机型清理灰尘时不会二次扬尘，过敏体质或清理长期积灰环境应优先选带滤网款87% 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85% similarUnverified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85% similarUnverified滤网系统优先选HEPA级+可水洗设计，除尘过程中最容易二次扬尘的环节就是倒灰和洗滤网，密封性差的机型会把螨虫过敏原重新释放到空气85% similar
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