Opposed Blade Volume Damper 3000-0BD-72X30 Step Down Ceiling Diffuser 3 or 4 way patterns

3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6-10"

Long throw individually adjustable blades with 1 1/2" blades on 1 1/2" centers or 3" blades on 3" centers

Standard Features *Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Double deflection diffuser * Front blades parallel to shortest dimension * Back blades parallel to longest dimension * All blades adjustable allowing 4-way flow adjustment * Soft White Options * 934 O - with recessed screwdriver operated opposed blade damper * 1333 and 1334 Series - stainless steel double deflection * Tamper proof screws * Standard Color or Design Color Finish available on this product

blades prevent metal on metal rattle

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

Opposed Blade Volume Damper 3000-0BD-72X30 Step Down Ceiling Diffuser 3 or 4 way patternsh3. 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.