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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
5/32” crossbars
Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern
Surface mount fixed blade grille with airfoil blades at 0°
Uniform 360 degree discharge pattern
Parallel Blade Volume Damper 3000P-66X18 Smoke-Fire Damper 5/32” crossbarsh3. 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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