... PTFE cartridge is hydrophobic PTFE membrane.BenefitsInherenjtly hydrophbic more resistant to water intrsion than commonly used PVDF membraneWithstand shocks, back ... unique pores of the PES cartridge contribute to high throughputs for different-to-filter solutions100% integrity tested before leaving the ... information: Filter medium PP, PTFE, PES Length5, 10, 20, 30, 40, 50 inches Micron 0.1/ 0.2/0.45/0 ...