Used Mueller Reactor, 300 Liter (79 Gallon), 304 Stainless Steel, Vertical. Internal rated 44 psi Full Vacuum at 300 degrees F. Jacket rated 75 psi at 300 degrees F. Top openings: 13", 5", 4". 1-1/2" center bottom outlet. Mounted on casters. Built 1980, serial# P8341-2, national board 7492.