Volume Damper Low-Leak OBD 3000-0BDLL-64X46 Residential Registers & Grilles Available 4" thru 52" round

Available 4" thru 52" round

Square to round transition collar

Rust-resistant pre-coat with durable powder finish

screw holes and color matching panhead screws * Standard Color

Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2

Volume Damper Low-Leak OBD 3000-0BDLL-64X46 Residential Registers & Grilles Available 4" thru 52" roundh3. 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.