USED PRECISION STAINLESS APPROXIMATELY 115 GALLON 316L STAINLESS STEEL PRESSURE VESSEL. 3' DIAMETER X 1’11” STRAIGHT SIDE. WITH DISHED TOP AND BOTTOM HEADS. RATED 100 PSI/FULL VACUUM INTERNAL @ 325°F. 16 GAUGE 304L STAINLESS STEEL HEAD. DIMPLED 304L STAINLESS STEEL RATED 125 PSI @ 325°F. 0.187" SHELL THICKNESS, 0.25" HEAD THICKNESS, 36" HEAD DISH RADIUS.