Used Precision Stainless Reactor, 100 Liter (26 Gallon), 316L Stainless Steel, Vertical. Approximate 18" diametr x 24" straight side, dish top and bottom. Internal rated 50 psi at -20 to 350 degrees F, design for full vacuum at 15 psi. Jacket rated 100 psi at -20 to 350 degrees F. Mounted on casters. Built 1996, serial# 3069-15, National Board# 6672.