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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Allows for 4-way airflow
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 16" Duct Opening (front blades parallel to shortest dimension)
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
SD52 - Transition Box Spiral Pipe Grille (Single Deflection)
Parallel Volume Damper Low Leak 3000PLL-44X22 Accessories Allows for 4-way airflowh3. 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$ 100.00
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