Millex Syringe Filter, Fluoropore® PTFE, Hydrophobic, Non-sterile 0.20 µm pore size, 25 mm diameter, Millex-FG hydrophobic PTFE membrane, for gas filtration and venting applications; find Millipore-SLFG02550 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich