The polyether sulfone (PES) membrane is the best choice for ion chromatography (IC) applications, due to certification by ICP for low-level interferences. Filter inlet can be connected to either a Luer slip or lock syringe. Filter outlet can accommodate a Luer slip needle or other connector. Polypropylene housing, 25mm diameter, 0.2um membrane, 100/pk. Not compatible with concentrated acids, dichloromethane, chloroform, hexane, acetone, MEK. Polypropylene sample vials are recommended for IC applications.