FILTER on return (exhaust "SC") from SEMI DIPPED Flange type, cleanable 25 micron Charter, with Nitrile rubber gaskets (Baun-N) - Attack Outside Entrance (Above flange) 1 "G - Outlet Flange Interior under 28mm tube - Capacity 100 lpm - Df = diameter at flange 086mm - Interase (2) Iv = 115mm Mounting Screws M8 - Gauge 1 / 8 "G - Gasket on Flange - Maximum pressure 3 bar - Aluminum Head - Steel Container Galvanized.