May 24, 2021 · Millex Syringe Filter, MCE, Non-sterile 0.45 µm pore size, 25 mm diameter, Millex-HA mixed cellulose esters (MCE) membrane, hydrophilic; find Millipore-SLHA025 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.