Millex Syringe Filter, Nylon, Non-sterile 0.45 µm pore size Millex Syringe Filter, Nylon, Non-sterile 0.45 µm pore size, 13 mm diameter, Millex-HN Nylon membrane, hydrophilic, tube outlet; find Millipore-SLHNX13TL MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich