Used 20 liter (5 gallon) Precision reactor, 316L stainless steel construction, approximately 10" diameter x 12" straight side, removable flat top and dish bottom, rated 65 psi and full vacuum at 392 F internal, 304L stainless steel jacket rated 100 psi at 392 F, (1) 2", (4) 1.5" top nozzles, top mounted Lightnin agitator, .75" side nozzle, 1" center bottom outlet, on wheels, serial# 1375-7, national board# 6378, built 1996.