Millex-LCR, 25 mm, 0,45 µm hydrophilic PTFE, 250/pk: 4914: Acrodisc Syringe Filter, 0.45 µm, wwPTFE membrane, 25 mm (200/cs) Syringe Filters: Millipore: SLCR025NB: Millex-LCR, 25 mm, 0,45 µm hydrophilic PTFE, 250/pk: AP-4916: Acrodisc One Syringe Filter, 0.45 µm, wwPTFE membrane (200/pkg) Syringe Filters: Millipore: SLCR025NK