Used approximately 2000 gallon vertical stainless steel tank. 72" diameter X 95" high straight side. Flat bolt on top, cone bottom. Top has a 17" X 23" flip up manway and (1) 4", (2) 1", and (2) 2" holes for inlets. Has (3) carbon steel internal baffles and a carbon steel support stand for an agitator shaft. Mounted on (4) carbon steel legs giving 29" clearance for the 3" bottom drain.