Product characteristics: Even distribution of pore, and rate of interstice reaches as high as 80% quick flow speed and high retention rate less sorbing and no medium shed off lower working pressure strengthen membrane is the dissolved cn-ca, transformed in the supporting, spliced the gel, has good intension, strong flexibility, could be made to disc membrane and film membrane. Product applications: Purification and filtration of liquid and removal of particles sterile filtration of culture medium detection of special pollutant in the air detection of in the escherichia coli in the waters detection of dust applications in biology. For instance, the collection and cleaning of cells Sterilization methods: Non-sterilization packaging; sterilization under high temperature and pressure Specifications: Pore size (um): 0.15, 0.22, 0.3, 0.45, 0.65, 0.8, 1.2, 3.0, 5.0, 8.0 configuration size (mm): Roundel: