S/N: IG686066-001. CARBON STEEL TWIN MODULE CONSTRUCTION, LEDGE-FREE TWIN HOPPERS W/LEGS, 55 GAL DRUM PACK, TIMER & SOLINOID ENCLOSURE, AND TORIT "DELTA P" CONTROL PANEL. ASSEMBLED COLLECTOR MEASURES 13'-4"W. X 6'-4"D. AND STANDS 12'-1" HIGH, DESIGNED FOR 48 OVAL CARTRIDGE FILTERS. WITH QUICK-RELEASE COVERS AND YOKES. INCLUDED STAINLESS STEEL 90 DEGREE X 24" TRANSITIONAL DIRTY AIR INLETS. REQUIRES 60 PSI COMPRESSED AIR SUPPLY. DESIGNED FOR EXPLOSION VENTS.