Millex Syringe Filter Unit, PTFE, Hydrophilic, Non-sterile Replaces SLLGH13NL, 0.20 µm pore size, 13 mm diameter, Millex-LG hydrophilic PTFE membrane; find Millipore-SLLGX13 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich