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3100 Series Damper - 24" x 24" w/Motor
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Effortlessly control airflow with durable 3100 Series Dampers.
Aluminum back draft dampers are engineered for strength and durability.
Flanged mount frame.
Blades are sealed with full-length, vinyl weather stripping.
A profile of 1-1/8" allows dampers to fit in just about any wall.
Motors have a cable pulley, so no delay timer is needed for fan.
3100 Series Motorized Damper Kits
Damper Kits include both the damper and the motor.
For those that don't need the full kit, dampers and motors can be purchased separately.
Cancer and Reproductive Toxicity - P65Warnings.ca.gov
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