Millex Syringe Filter, PES, Non-sterile SLGP033NB Millipore Millex Syringe Filter, PES, Non-sterile Download Zoom 0.22 µm pore size, 33 mm diameter, Millex-GP PES Millipore Express® membrane, hydrophilic Millex Syringe Filter, PES, Non-sterile MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.