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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Access door with 1-3/8" deep steel roll formed frame
INSTALLATION INSTRUCTIONS
Available 4" thru 52" round
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 16" duct Opening (front blades parallel to shortest dimension)
Parallel Blade Volume Damper 3000P-68X60 past 12 months Access door with 1-3/8" deeph3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control
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