Syringe Filters: Millipore: SLCRBZ5NZ: Millex-LCR/PB, 25 mm, Glass Fiber/0,45 µm, hydrophilic PTFE, 200/pk: AP-4919: Acrodisc One Syringe Filter, 0.45 µm, GXF/wwPTFE membrane (200/pkg) Syringe Filters: Millipore: SLLGM25NS: Millex-LG, GF/0,2 µm hydrophilic PTFE, 50/pk: AP-4913: Acrodisc One Syringe Filter, 0.2 µm, GXF/wwPTFE membrane (200