4" Round Horizontal/Vertical Fire Damper 2650-12 Step Down Ceiling Diffuser Designed for return applications and

Designed for return applications and as a vented access door to equipment

Lever operated Multi-Shutter Damper

Standard Features * Heavy duty honeycomb construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system * Soft White Options * No mounting holes * Tamper Proof Screws * Standard Color

Collar sizes available in 6”–10”

4" Round Horizontal/Vertical Fire Damper 2650-12 Step Down Ceiling Diffuser Designed for return applications andh3. 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