430320 49 mL Tube Top Vacuum Filter System, 0.22Micromete
Corning 50 mL Tube Top Vacuum Filter System, 0.22Micrometer Pore, 13.6cm squared Cellulose Acetate Membrane, Sterile, Individually Packaged, 12/Case - COP
Corning 50 mL Tube Top Vacuum Filter System, 0.22Micrometer Pore, 13.6cm squared Cellulose Acetate Membrane, Sterile, Individually Packaged, 12/Case - COP