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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
and 2x4 panels * Soft White
Blades are parallel to the shortest dimension
904 - Double Deflection Adjustable Aluminum Blade Grille for a 16" x 8" Duct Opening (front blades parallel to shortest dimension)
Available 6
Spring actuated curtain-type fire damper with 2 1/4" round connection for horizontal or vertical mount
Parallel Volume Damper Low Leak 3000PLL-50X50 Smoke-Fire Damper and 2x4 panels * Softh3. 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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