Millex-FG, 0.20 µm, hydrophobic PTFE, 50 mm, A 50 mm diameter non-sterile syringe filter with a 0.2 µm pore size hydrophobic PTFE membrane. Comes in a pack of 10. 0.2 μm pore size Expand SLHN033 Millex Syringe Filter, Nylon, Non-sterile, 0.45 µm pore size, 33 mm diameter, Millex-HN Nylon membrane, hydrophilic 0.45 μm pore size Expand SLSV025LS