A 25 mm diameter sterile syringe filter with a 0.2 µm pore size hydrophobic PTFE membrane, with Luer outlet, ethylene oxide sterilized. Comes in a pack of 50. Pricing. Match Criteria: Product Name. Millex-FG, 0.20 µm, hydrophobic PTFE, 50 mm. Millex-FG, 0.20 µm, hydrophobic PTFE, 50 mm. Product Number.