PTFE Unlaminated Membrane Filters, Hydrophilic, 0.2 Micron 网页Durable, efficient, and broadly compatible, these pure, hydrophilic PTFE membranes are ideal for use with HPLC seperations, aqueous/organic solvents, and many of your other filtration needs. Pack of 25. Pore size: 0.20 microns. Diameter: 90 Chat Now luer lock PTFE membrane filter for sale