Filter Cartridge Reduces Particulates Micron Rating 5 micron Flow Rate 20 gpm Inside Diameter 1 in Outside Diameter 4 1/2 in Overall Height 20 in Service Life Not Rated Filter Media Cotton For Use With Large Diameter Plastic Housings Application Alkalies Solutions Amines Dilute Acids and Alkalies Mineral Acids Organic Acids and Solvents Oxidizing Agents Petroleum Oils Photo Potable Liquids Prefilter for Membranes Water Cartridge Media Cotton Filter Design String Wound