Omicron SFNY04XB Nylon Syringe Filter 4 mm, 0.45 µm Non-Sterile (Pack of 100): Amazon.com: Industrial & Scientific
Ks-Tek Plastic Clear Reusable Syringe Filter Used with Filter Membranes, Durable and Stable for Lab Filtration (13mm,5): Amazon.com: Industrial & Scientific
Amazon.com: GE Healthcare 6780-2504 Whatman Puradisc Syringe Filter, 0.45 µm Pore Size, Sterile, 13 mm Diameter, Polyether sulfone (Pack of 50) : 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