DYRCJ 5 Inch Manual Volume Backdraft Damper Adjustable Airflow Control Valve for HVAC Duct Vent Systems with Silicone Seal and Rust Proof
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This backdraft damper features a stainless steel body and an aluminum flap blade that resist rust and corrosion for long lasting use in ventilation systems and Built for practical everyday use this item supports common household and outdoor tasks
The damper includes a silicone seal ring inside to ensure good airtightness and help prevent unwanted air leakage in your HVAC ducts and The construction focuses on steady performance during regular handling
Manual airflow adjustment is possible using the handle on the valve allowing you to control air volume from multiple angles as needed and Setup is intended to be simple for home users so you can unpack align the parts




