Millex-LCR/PB, 25 mm, Glass Fiber/0,45 µm, hydrophilic PTFE, 1000/pk: AP-4921: Acrodisc Syringe Filter, 0.45 µm, GXF/wwPTFE membrane (1000/pkg) Syringe Filters: Millipore: SLCRBZ5NZ: Millex-LCR/PB, 25 mm, Glass Fiber/0,45 µm, hydrophilic PTFE, 200/pk: AP-4920: Acrodisc One Syringe Filter, 0.45 µm, GXF/wwPTFE membrane Autopack tubes, (200