Used approximately 1800 gallon rectangular stainless steel vertical storage tank. 78" diameter X 90" high straight side. Flat welded top and bottom. Top fittings: (1) 2", (1) 6", (1) 4", and 12" X 20" rectangular manway. (1) 8" , (1) 4", (1) 3" side bottom outlets. 6" side top inlet.