Welded dish heads packed bed column ( with two repair tags, 2005, by CDI) Top packing bed is 5' from top under distribution tray, 9' bed of Koch-Glitsch Fleximax 200 in 316 SS Bottom bed 26'6" bed of Koch-Glitsch Fleximax 200 in 316 SS Column operates at 60 psi with a delta pressure of 40"wc across column.