Used 5000 gallon 304L Stainless Steel tank. Mfr A&B Process. Internal rated 0.01 psi at -20 to 250 degrees F. Openings top 2", 4", side (2) 3", 4", 24" man way with davit arm and cover, 3" center bottom outlet. 102" diameter x 144" straight side, dished top, coned bottom. Mounted on (4) carbon steel legs. Serial # 1408550609. Built 2014.