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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
One-piece removable slide damper for off-season closure
PERFORMANCE DATA 915 Series Engineering/Performance Data
Dampers above 80 square inches free area will be provided with blade insulation
Eighteen air patterns
904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 12" Duct Opening (front blades parallel to shortest dimension)
Opposed Blade Volume Damper 3000-0BD-64X20 Residential Registers & Grilles One-piece removable slide damper forh3. 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.
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