Model BS damper with multiple blades is designed for air volume control for round ducts. Continuously adjustable from the face with a screwdriver for quick and easy volume control just by twisting until the desired setting is reached. The multiple blades provide more precise control. All-steel construction for durability.
Material: Heavy-Gauge Steel
Finish: Black
Sizes: 6" 8" 10" 12" 14" 16" 20" 24"
FEATURES
| Available for Standard Duct Sizes
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| *Note: Not for use with flexible ducts. |
DIMENSIONS
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