Pay in 4 interest-free payments of $109.13 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Options * Sleeve variations * Fractional and odd sizes available h3
Flush core and frame provides smooth surface
Available 4" thru 40" round
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 12" Duct Opening (front blades parallel to shortest dimension)
Opposed Blade Volume Damper 3000-0BD-36X14 Smoke-Fire Damper Options * Sleeve variations *h3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
US$ 39.99
US$ 337.50
US$ 12.99
US$ 50.00
