USED APPROX 500 GALLON GLASS LINED HORIZONTAL TANK. 22" DIA X 25" STRAIGHT SIDE. (5) 3.5" TOP NOZZLE; (2) 3.5" BOTTOM NOZZLE, (1) 3.5" SIDE NOZZLE, 22" SIDE MANWAY. MFG CERAMIC COATINGS CO. USED AS COLUMN BLOW DOWN TANK. MAWP INT 75PSI/FV @ 450F. NATIONAL BOARD 1614. SERIAL #6.43304. BUILT 1997.