500 gallon Pfaudler #5015 glass lined reactor model RC-48-500. 48" diameter x 73" deep. Pfaudler RC-Series Reactor, Welded dished heads. Internal rated 100/FV @ 450 degrees F. Conventional jacket rated 100/100 @ 450 degrees F. NB# 44211. Equipped with 5 HP 29" Cryolock agitator driven through #4 DTW drive. Includes H baffle. Openings top: (1) 12" x 16" manway with 4" sight glass, (1) 6" (2) 4" and (2) 3". (1) 3" x 2" bottom drain flush valve.