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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Square to round transition collar
Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2
Available 4" thru 52" round
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)
Volume Damper Low-Leak OBD 3000-0BDLL-64X46 Residential Registers & Grilles Square to round transition collarh3. 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$ 174.50
US$ 49.00
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US$ 139.50
US$ 139.00
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