Used 6 Gallon Vertical, Stainless Steel Pressure Vessel. 10" dia x 22" T to T, dished bottom, flat bolted top head, stainless steel construction, rated 100 PSI@ 100 F internal, (2)- 1" threaded and (1)- 6" dia Top openings, center bottom outlet, on legs, ASME & NB Code Stamped.