One used 1050 gallon Mueller Reactor, stainless steel, 6' dia. x 5' straight side with dish top and bottom, 5 zone jacket rated 138 PSI @ 300 deg F, vessal rated 25 PSI @ 300 deg F inernal.agitated with 2 HP Lightnin Mixer, 1.5 " dia. shaft and 3 blade propeller, 18" diam. top manway, 2" center bottom discharge, built 1981, serial P2942-3, NB 8353.