Description:
Cytiva Whatman 6783-0404 Puradisc Sterile PTFE Syringe Filters, 4mm x 0.45um. Whatman's Puradisc PTFE syringe filter is a hydrophobic membrane that is chemically stable and inert. It exhibits low protein binding, and its main application is filtration of non-aqueous samples. Prior to filtering of aqueous samples, the membrane must be pre-wetted with a water-miscible organic solvent. 500/box.
Pore Size (µm): 0.45