HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System Glass Clamps 100 x Car Hose Clamps

100 x Car Hose Clamps

Package includes: 60set M6 Mounting Screws (60pcs M6 Screws

External Size

* Total Size: 33 (+/-3) x 20 x 11mm / 1

HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System Glass Clamps 100 x Car Hose ClampsThe manual volume damper is used for air volume regulation in an air ventilation system, widely used in HVAC industry. With that installed in your HVAC systems, you can easily control the air flow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system. Specification Color: Material: Outer Diameter of Interface: Overall Size: Packing List: x Duct Manual Volume Damper Advantage 1. Made of durable