4" Round Horizontal/Vertical Fire Damper 2650-9 Specialty Products Standard Features * 2533 -

Standard Features * 2533 - Square or rectangular for vertical mount only

055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 907 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Fractional

CB Series W/Damper R

CB20 - two way

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

4" Round Horizontal/Vertical Fire Damper 2650-9 Specialty Products Standard Features * 2533 -h3. Standard Features * 2649 Round damper for vertical mount only. Available 4" thru 52" round. * 2650 Round spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 52" round. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self locking