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Square collar designed for 22" x 22" duct
Designer Color or Satin Anodized Finish available on this product
Installation Instructions * UL approved installation instructions
Standard Features * Extruded aluminum construction * 45 fixed blades parallel to longest dimension * Margin edges are 7/8" projection for baseboard installation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1100FF - flush frame * Fractional and odd dimension sizes * Standard Color
18" or 24" lengths * Soft White Options * Standard Color or Designer Color Finish available on this product
Parallel Volume Damper Low Leak 3000PLL-56X42 Smoke-Fire Damper Square collar designed for 22"h3. 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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