Unverified92% confidenceTradeoffTime unknown

核心权衡：流量极高、重量极轻是最大优势，但滤芯为中空纤维材质，遇冻结后内部纤维破裂会导致永久失效，冬季或高海拔低温环境使用需特别防冻保管

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Partially Verified低温环境下中空纤维膜有冻裂风险，一旦冻裂过滤功能失效且不可逆，冬季或高海拔使用需贴身存放防冻85% similar Unverified低温环境下使用需格外注意：滤芯内残留水结冰会导致中空纤维膜永久损坏且无法目视判断，冬季或高海拔需贴身存放防冻84% similar

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