150 sq. ft. Kearney Industries model K150/150 kelonite graphite block heat exchanger. Heat transfer area is 150 sf on process and sercies sides with 3/8" diameter holes, with 4 pass on process side and 14 pass on service side. 6" and 3" process nozzles. 2" service nozzles. 75 psig @ 360 degrees F design pressure. Teflon service and process gaskets. Overall dimensions: 29 3/4" wide x 31 1/2" deep x 46 3/4" tall.