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Clear Flex Hose*
Bellmouth adapters are short and straight ductwork that function as mini-hoods
Butterfly Valve
Available in sizes to 18”
Includes side vent panels or openings that allow for the flow of the air to the outside with minimal restrictions to exhaust airflow
Manual Butterfly Valve Size:13 Inch Diameter Clear Flex Hose*A circular disk mounted on an internal shaft pivots to control airflow from fully open ( 100% flow), to fully closed (shutting off all air), to anything in between. Once the butterfly valve is set, a locking quadrant holds it in place. Known as Butterfly Damper, Butterfly Valve, or Volume Damper Diameters are + 1 8 inch. *The actual product may differ from the product image.
