Syringe Filter 0.2um , 28 mm (Sterile) (SFCA) (HPLC grade) Corning syringe filters are 100% integrity tested and are certified nonpyrogenic and noncytotoxic 0.2 um Syringe Filter – Hawach. The 0.22 um syringe filter housing is made of polypropylene (PP) with excellent chemical stability. Each 0.2 or 0.22 um syringe filter has a corresponding