Used Parr reactor, 1000 ml capacity. Approximately 3.75" diameter X 6.2" straight side. T316L stainless steel contacts. Rated 3000 psi @ 500 degrees C. Mounted on stand with drive and stainless steel condenser. Model 4571. Built 1991. SN: 120490194. Includes Parr 4843 Controller. Unit also comes with 1000 ml capacity Incolloy 800H reactor body, top and agitator. Model 4571. Built 1990. SN: 110190 182. Rated 3000 psi @ 500 degrees F.