The sterilizing filter mainly adopts a micro filter element with a large specific surface area and a filtering accuracy of 0.22 μm or above. It is mainly used to prevent impurities in the air and harmful bacteria and microorganisms from entering the tank, production line, Aseptic Chamber, etc. , changes in water quality, product and sterile room environment, filter elements are made of a hydrophobic polytetrafluoroethylene material through the mouth, after coagulation separation to produce sterile Compressed air. The utility model is an ideal gas organic solvent filter used for removing bacteria. Mainly used in pharmaceutical, fermentation, food and beverage, beer brewing, biological products and other industries to meet the food, biochemical, beverage, beer, medicine, electronics and other industries.