1000 gallon Reglassed Pfaudler #5015 glass lined reactor body. 60" diameter x 72" high straight side. Internal rated 100/FV @ 450 degrees F. Conventional jacket rated 75/75 @ 350 degrees F. National Board # 29144. Top fittings: (4) 4", (1) 8", and 30" top cover opening. 3" center bottom drain. Reglassed in 1989.