1.8"x12" (1812) sanitary UF membrane.Polyethylene sulfone (PES) MembraneSynder UF Membrane 1.8" (Sanitary)$220.00PricePore Size kDaSelectFeed Spacer (mils)SelectTail WrapSelectDiameter1.8"Length12"Male/FemaleSelectQuantityAdd to CartProduct Info1812 sanitary female membrane, available in different pore size, mil feed spacer and tail wrap Product Includes1x 1.8" 12" female membrane Specifications 1.8" Diameter 12" Length PES (Polyethylene sulfone) Max. Inlet Pressure 120 PSI Min Inlet Pressure 8.5 PSI Max. Differential Pressure per Element 18 PSI Max. Permeate Backpressure 5 PSI Max. CIP Temperature 122° F Operating pH 2-10 CIP pH 2-11 Please see chart for required cross flow rate