0.2~0.3 micron PTFE air filter mushroom tissue culture membrane Hydrophobic, prevent microorganisms, ventilation

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The hydrophobic and breathable membrane is made of expanded polytetrafluoroethylene (PTFE), designed with billions of micropores. These micropores are 700 times larger than air molecules, ensuring reliable air permeability and pressure balance. However, these micropores are 20000 times smaller than water droplets and can effectively block liquids, dirt, and debris from entering Our Product Features The high-temperature resistant 135 ℃ membrane can perform repeated high