Hyjoy &Guan HVAC Duct Manual Volume Backdraft Damper 8 Inch, Manual Airflow Regulation with Flap for Airflow Ducting Vent Galvanized Steel,

【Material】The HVAC damper body is constructed from galvanized steel with paint and the flap is produced from aluminum which withstands rust and decay, guaranteeing dependable in moist and -temperature environments. Manual Airflow Control: This manual volume damper adjusts the airflow by changing the angle of the plate via handle, which assists in room temperature and backflow 【Double Seal Design】The internal flap of the damper rubber seal to dependable airtightness and leakage when the damper closes. Moreover, two external rubber seals are installed at both to the seal between the damper and the ductwork while absorbing vibrations, thus offering additional of noise reduction. Widely Application: Our manual duct damper is primarily for airflow control in ventilation and air conditioning (HVAC) ducts. This damper is installed within ducts to regulate airflow in environments such as residential buildings, industrial facilities, and laboratories. It enables precise airflow direction control and improves overall efficiency [Installation] Slide the 10 inch backdraft damper directly into the duct, then the connection point using duct clamps or tape to complete installation. No additional are required, ensuring quick and efficient installation. (Note: The damper should be installed where the handle can be easily controlled)