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Divided 2-way multi-louver and combination shut-off
2" ADC compliant round collar with a bead for ease of installation
Nylon bushings on adjustable blades prevent metal on metal rattle
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
Performance Data
Opposed Blade Volume Damper 3000-0BD-30X10 T-Bar Divided 2-way multi-louver and combinationh3. 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.
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US$ 15952.07
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US$ 20961.21
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US$ 32327.53
US$ 2575.60
US$ 9698.06
