Used 9" Diameter Titanium Bag/Cartridge Filter, rated 150PSI/FV @ 250 deg F. 9" OD x 45" Straight side, dished bottom. OAL: 6' 7". Mfg by Monticello Tank Inc, 1994, S/N: T103271-1/2, NB #5591/2. Nozzles (150# ANSI Flange) : 2" Side inlet, 2" CBO, 1" Top vent.