Pressure Leaf Filters    New Filter Leaves    Filter Leaf Repair    Wedge Wire Screens    Neva-Clog    Underdrains I    Nafco "C" fibrous filter aid    Screen Nozzles    Lateral Systems    Underdrains II    Strainers    Intake Screens    Custom Fabrication    Engineering Data    Contact Us    About Us A unique welded, high strength screen free of internal plugging, designed to replace woven wire screen to support granular activated carbon and demineralizer media. Retention and Flow Data - Various Materials   Neva-Clog 24 x 110 AU Multibraid 12 x 64 20 x 250 100 x 100   Grade I Grade II Grade III Norm. Micron Ret. 140 130 120 245 250 400 100 140 GPM/inē @ 5 psi P 3.5 3.0 2.5 16.2 4.1 22.8 6.4 34.8 Weave - - - PL Dutch Braided PL Dutch TW Dutch PL