Used 10,000 gallon MSM receiver tank, 316 stainless steel construction, approximately 10' diameter x 16' straight side, 2:1 semi elliptical top and bottom, rated 100 PSI and full vacuum at 300 F internal, Top nozzles: 4", (5)3". 24" side bottom manway, 2" side nozzle, 3" center bottom outlet, on 4 carbon steel legs with 24" discharge height, Serial# 397-0018, National Board# 1741, Built 1997.