Used Approximate 300 Gallon 304 Stainless Steel Vertical Tank. Approximate 39" diameter x 60" straight side, flat top and bottom. Openings top: approximate 17-1/2" manway (No cover), (2) 2" tri-clamp, 2" NPT, (2) 1-1/2" tri-clamp, side: (3) 2" tri-clamp. 2-1/2" Diameter tri-clamp bottom outlet, 2" for overflow. Mounted on 4 legs. No manufactures tag.