ENVIRONMENTAL STEAMER, WIDE SPACIOUS SPACE OF NATURAL SPACE AIR VAPORIZER, ALL ALUMINUM CONSTRUCTION, END CONNECTIONS ARE DOUBLE 2 ”INPUTS, SINGLE 3” 150 ANSI RFWN FLANGES (NOT INCLUDED), MAWP: 88.5PSIG, THE UNITS ARE NOT U-STAMPED, THE UNIT WILL BE DUPLICATED FROM WORK 51542 – SERIAL: 51542-1-8 – USE: BACK-UP OF OXYGEN