Used 1 gallon Autoclave Engineers 316 Stainless Steel Reactor. Model B400SSA1131C112B100021L2001. Rated 5500 psi@ 400F internal. 5" diameter x 14" straight side, bolted flat top, semi elliptical bottom, electrically heated, 0.5HP agitator drive with anchor agitator. Manual raise/lower operation, temperature control panel on stand. Vessel serial# 02150495-1. National Board# 1862. Jacket Serial #02151073-1. Built 2002.