USED 2513 SQUARE FOOT VERTICAL STAINLESS STEEL HEAT EXCHANGER. (600) 1" DIAMETER X 16' LONG 304L STAINLESS STEEL TUBES RATED 100 PSI @ 400°F. 36" DIAMETER 21' LONG CARBON STEEL SHELL RATED 100 PSI/FULL VACUUM @ 400°F. 22' OVERALL LENGTH. 12" SHELL INLET, 4" SHELL OUTLET; 12" TUBES INLET, 20" TUBES OUTLET. MANUFACTURED BY KILLEBREW ENGINEERING. MISSING (2) HEADS