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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Access door with 1-3/8" deep steel roll formed frame
Countersunk mounting holes with color matching Philips posi-drive screws
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
Lever operated Opposed Blade Damper
Hinged removable door with hinges parallel to the longest dimension
Opposed Blade Volume Damper 3000-0BD-30X30 Residential Registers & Grilles Access door with 1-3/8" deeph3. 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.
