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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
1 1/2 hour fire resistance rating
Designer Colors
Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 10" Duct Opening (front blades parallel to shortest dimension)
Volume Damper Low-Leak OBD 3000-0BDLL-54X34 Commercial 1 1/2 hour fire resistanceh3. 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$ 16.90
US$ 19.90
US$ 14.00
US$ 66.90
