Used approximately 450 gallon 304 stainless steel vertical storage tank. 45.75" diameter X 60" high straight side. Cone top and bottom. Top fittings: (1) 1 1/2" NPT and (1)1/2" NPT. 2" NPT center bottom drain. 3/4" NPT side top inlet and (2) 1 1/2" NPT side inlets for level indicator. 16" side bottom manway. Mounted on (4) carbon steel legs giving 16" clearance from the bottom outlet face