[KongchangAI]
Unverified90% confidenceFactTime unknown

PP棉滤芯(第一级)孔径通常5微米,用于拦截泥沙铁锈,寿命最短约3-6个月;活性炭滤芯(前置/后置)寿命约6-12个月;RO膜寿命最长约24-36个月,更换周期差异大,不能统一按同一时间更换

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90%
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Long-term
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