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    ThermoFlo Back Draft Damper 4" (10 cm)

    Manufacturer: ThermoFlo
    • Designed to allow airflow in one direction.
    • Minimum air leakage: exterior foam gaskets assure a tight seal.
    • Aluminum spring-loaded backdraft damper blades.
    • 20 gauge steel housing.
    • Simple installation: entire assembly inserts into duct.
    • Can be installed in any position: designed for vertical or horizontal mount.
    • Specifically designed for use with ThermoFlo™ flexible ducting.
    • Size: 4 inches (10 centimeters).
    SKU: Q100743
    Manufacturer part number: TFBDD004
    Availability:
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    ThermoFlo™ Back Draft Dampers are designed to allow airflow in only one direction and can be installed in any position. They are manufactured with aluminum back draft damper blades and a heavy duty spring for improved performance. 20-gauge steel housing and exterior foam gaskets also ensure a tight seal. They are easy to install and have minimum air leakage. Specifically designed to be used with ThermoFlo flexible ducting.

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