30 gallon #3009, De Dietrich glass lined reactor body. 20" diameter X 20" deep. Clamped top. Internal rated 150/FV @ 20 to 500 degrees F. Conventional jacket rated 115/100 @ 20 to 500 degrees F. Top fittings: (3) 1 1/2", (1) 2", and (1) 4" handhole. 2" center bottom drain. Built 1990. National Board # 5556.