| Hollow fiber membrane is a filter tied up like the thread & made by thousands of thin hollow membrane with 0.1 thickness (1/1,000 of hair) empty middle.This membrane is for water management and can remove 100% general & pathogenic bacteria.Product Feature-Characteristic of PARA Hollow Fiber Membranes*Hollow fiber membrane by using Polyether Sulfone, for the first time in domesticProduct Specification Models-Hollow Fiber Membranes-MATERIAL: PES(Polyether Sulfone)-Pore Size: 0.1-Size(OD/ID): 570/360-Pressure Resistance: 5.2Kg/Application*Small size : for water purifier & ionized water device*Large size: pretreatment filter in case of water purifying, manufacturing beverage | 
