Bowl and head aluminum alloy, anoodized, indicator aluminum or steel, 11.480 in. Lg 3.750 in. Dia, operating pressure 0 to 3000 psig, proof pressure 4500 psig, burst pressure 12000 psig min, rated flow 4 gpm fuel at 1.0 psid, indicator actuates at 4 psid porm 1, replaceable filter element