PTFE Membrane Filter,110mm,0.45 um,11CM Diameter,50 Pcs/Lot
The 0.45µm pore size is normally used. PTFE Membrane Filter,110mm,0.45 um,11CM Diameter,50 Pcs/Lot | eBay One of the major applications for the PTFE filter is the clarification of corrosives, solvents and aggressive fluids.