Millex-FG, 0.20 µm, hydrophobic PTFE, 25 mm 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.; find Millipore-SLFGL25BS MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich