Nonsterile PVDF Syringe Filters, 0.22(um), 13(mm), 100 pack; Non Sterile, GE/Whatman Equivalent=6779-1302 Pall Equivalent=4455 Millipore Equivalent=SLGV013NL Learn More Add to Cart Add to Wishlist . Whatman Syringe Filter - .20u - Sterile - GPZ Med Lab. Whatman 25 MM, PVDF Membrane, .20u pore size, sterile syringe filter.