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055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 600 O - opposed blade damper * No Labor Collar - Square to round (square sizes only) * 600 T - T-Bar mount * 1/2" x 1/2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes
1” rim size (2” larger than nominal duct size / order size)
Standard Features * 2561 - Square or rectangular fire door for vertical mount only
floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application
see 2700 series)
Parallel Blade Volume Damper 3000P-26X26 Step Down Ceiling Diffuser 055 T6 extruded aluminum frameh3. 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
US$ 40.00
US$ 1600.00
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US$ 400.00
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