10 Pack Syringe Filter Sterile PES Hydrophilic Filtration 0.22um Pore Size, 33mm Membrane Diameter Sterile PES Membrane Individually Packed by Membrane Solutions: Amazon.com: Industrial & Scientific
Omicron SFNY04XB Nylon Syringe Filter 4 mm, 0.45 µm Non-Sterile (Pack of 100): Amazon.com: Industrial & Scientific
10 Pack Syringe Filter Sterile PES Hydrophilic Filtration 0.22um Pore Size, 33mm Membrane Diameter Sterile PES Membrane Individually Packed by Membrane Solutions: Amazon.com: Industrial & Scientific
Sartorius Minisart 16537----------K High Flow Syringe Filter with Male Luer Lock, PES Membrane, Sterile, Dark Yellow, 0.45µm Pore Size (Pack of 50): Science Lab Syringe Filters: Amazon.com: Industrial & Scientific
Adamas-Beta Syringe Filter, Sterile Nylon Syringe Filter with Hydrophilic PES Membrane, PES Membrane 0.45um Pore Size, 13mm Membrane Diameter, Pack of 100: Amazon.com: Industrial & Scientific