300 gallon Pfaudler Reactor, 316L stainless steel construction, rated 300 PSI and full vacuum at 450 degrees F, jacketed for 100 PSI at 450 degrees F, 4 DTW Pfaudler Drive with mechanical seal and lubricator, dual 4 blade turbine agitator, 4 baffles, Serial No. R389-1208, National Board No. 2975, New 1999.