Ec21 0.22 um syringe filter distributor-Voa Vial Supplier Find sterile syringe filters 0.22 um and related products for scientific research at MilliporeSigma Product Number Product Description CLS430624 cellulose acetate membrane, sterile, pore size 0.22 μm, membrane diam. 50 mm, funnel capacity 50 mL, case of 48