Opposed Blade Volume Damper 3000-0BD-58X44 T-Bar w/ Lever Operated Opposed Blade

w/ Lever Operated Opposed Blade Damper

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 16" duct Opening  (front blades parallel to shortest dimension)

Available in 4" through 29" round

Rust-resistant pre-coat with durable powder finish

Install with louvers in up or down position for best duct concealment

Opposed Blade Volume Damper 3000-0BD-58X44 T-Bar w/ Lever Operated Opposed Bladeh3. 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.