Hyjoy 5" HVAC Duct Manual Volume Damper, Steel Adjustment Retardant Airflow Backdraft Damper Control for HVAC Air Ducts,

Color: Silver Tone; Material: 201 Steel; Inner Diameter of Interface: 125 mm / 5 Inch; Overall Size: 190 mm 1 mm / 7.5 0.04 inch (*); Included Items: 1 Duct Manual Volume Damper Advantages: 1. Constructed from thickened PP, which offers hardness and impact resistance, resistant to deformation and corrosion, moisture-proof and fade-resistant, suitable for long-term use; 2. The side handle design, allowing air volume adjustment from various angles and ; 3. With smooth and flat interior design, it enables rapid ventilation. Instruction: To install, slide the volume damper into the pipe you are , and with pipe clamps and tape. Application: The manual volume damper is for air volume regulation in ventilation , widely applied in the HVAC industry. With it installed in your HVAC , you can easily adjust the air or shut off the air duct if necessary, to some extent, it will the efficiency of your setup. Note: Verify the inner diameter of the air volume damper before , and the recommended temperature is -10 to 70 degrees Celsius.