Used 11,200 Gallon (1,500 Cubic feet) Vertical 304 Stainless Steel Silo. 135" diameter x 180" straight side and 108" coned bottom. Top opening 16" x 16" no cover and a 6" diameter. Side opening 21" x 37" bolted on cover. 17" x 17" bottom outlet with air operated doors. Comes with a carbon steel stand.