Used 3300 gal 316L Stainless Steel Pressure Vessel. Manufactured by Walker. Model SP. MAWP 50PSI/FV@250F. Insulated 96"ID x 96" Straight Side (11'OAH). Dome Tope, Flat bottom. 18" Side manway. (6) Leg mounted. Serial #6769. National Board #279. Built 1991. Past use Cheese processing.