Opposed Blade Volume Damper 3000-0BD-68X34 Residential Registers & Grilles 7/8” Wide x 7/8” High

7/8” Wide x 7/8” High square holes

Standard Features * Extruded aluminum construction * 45 fixed blades parallel to longest dimension * Margin edges are 7/8" projection for baseboard installation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1100FF - flush frame * Fractional and odd dimension sizes * Standard Color

3/4” Wide x 3/4” High square holes

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

Opposed Blade Volume Damper 3000-0BD-68X34 Residential Registers & Grilles 7/8” Wide x 7/8” Highh3. 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.