Millex Syringe Filter Unit, PTFE, Hydrophilic, Non-sterile Replaces SLCR013NL & Z227420, 0.45 µm pore size, 13 mm diameter, Millex-LCR hydrophilic PTFE membrane; Synonyms: syringe filter,disposable syringe filter; find Millipore-SLCRX13 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich