For clarification or sterile filtration of liquids or gases, as well as for sample preparation for use in HPLC, GC, ICP, AAS, TOC, DOC, IR, NMR, photometry, spectroscopy, method validation and certification. Non-coloured, pure compacted PP housing with good chemical resistance, very low extractable substances content and low bleeding. With imprint for quick and easy identification of membrane type, diameter and pore size.Autoclavable at 121 °C and 1.1 bar for 30 min.