Opposed Blade Volume Damper 3000-0BD-60X58 Residential Registers & Grilles 055 T6 aluminum surface mount

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

three or four diffusers per panel * Countersunk sunk screwholes for ceiling mount * Standard Color or Designer Color Finish available on this product

Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper

Square to round 2" collar with roll formed retention bead

Opposed Blade Volume Damper 3000-0BD-60X58 Residential Registers & Grilles 055 T6 aluminum surface mounth3. 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.