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Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern
5/32” crossbars
Available in 6”–12” collar sizes
Allows for 2-way airflow adjustment
Designed for use in walls
Parallel Blade Volume Damper 3000P-66X18 Smoke-Fire Damper Adjustable aluminum airfoil blades orientedh3. 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$ 26.95
US$ 49.95
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US$ 23.95
