... -CA membrane discSPECIFICATION: MATERIAL: CN-CA(Nitrocellulose-cellulose acetate) PORE SIZE: 0.1um, 0.22um, 0.45um, DIAMETER: Φ13, ... uniform pore size structure and extensive pore size specification 2. It can be applied to cell retention and particle collection 3. ... other liquor. 3. Flush, Washing bottle and other sterilization& particle filtration for disinfectant, etc... 4. Sterilization for beer, ...