The RHS-90 Stainless-steel water / fluid filter housing can accomodate drift rates of 21 GPM and the utmost design working pressure is 300psi @ 200F. The unit is compatible with industry same old 2.5” x 30” cartridges. The RHS-90 is an extremely rugged liquid filter housing made in the usA by Shelco Filters – Middletown, Ct. Stainless-steel could be very corrosion resistant. It has sufficient amounts of chromium ( at minimum 16%) present in order that a passive film of chromium oxide forms which prevents further surface corrosion and blocks corrosion from spreading into the metal’s internal structure. FNPT 3/4 or 1” inlet / outlet Mounting bracket and wrench included Accepts double-open-end cartridges Easy ring closure for fast cartridge change outs *For top temperature applications over 150 degrees use hot water cartridges and a Viton o-ring. MADE IN THE U.S.A.