Used 6000 gallon 316L stainless steel Reactor. Manufactured by Mueller. Internal rated 100 psi/FV @ 500F. 3" half pipe jacketed on straight side and bottom rated 150 psi@ 500F. 24" top manway. Top mounted agitator drive. 108" diameter x 135" straight side, 2:1 elliptical top and bottom, (4) baffles. Serial# P41109. National Board# 20399. Built 1992.