Used approximately 1000 gallon vertical 304 stainless steel storage tank. 56" diameter X 96" high straight side. Welded flat top, slight cone bottom. Top fittings: 20" manway, (1) 2" threaded, (1) 1" threaded, (1) 2" X 8" oval opening. 2" center bottom drain. Mounted on 18" long angle iron legs.