Opposed Blade Volume Damper 3000-0BD-64X48 past 12 months Options * 3000 OBDLL -

Options * 3000 OBDLL - Low Leak Air Control Damper

Heavy Duty Construction (1 1/2" frame depth utilized)

Smoke Test and More Information on MA Series Diffusers

* Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Driftwood Tan Options * TD Series - with damper

Airfoil blades individually adjustable on 3/4" centers

Opposed Blade Volume Damper 3000-0BD-64X48 past 12 months Options * 3000 OBDLL -h3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.