PP housing. Nylon membrane. For universal filtration of HPLC and GC solvents and DMSO. Chemically-resistant to a wide range of solvents. Inherently hydrophilic, contain no wetting agents or plasticisers. Low level of extractables. Sterile version is certified sterile, non-cytotoxic and non-pyrogenic. Pore size and membrane type printed on unit.