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Extruded aluminum fixed bar blades at 45°
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 20" Duct Opening (front blades parallel to shortest dimension)
Blade lock to secure blades once the product is activated
SD52 - Transition Box Spiral Pipe Grille (Single Deflection)
Parallel Volume Damper Low Leak 3000PLL-44X22 Accessories Extruded aluminum fixed bar bladesh3. 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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US$ 239.50
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