normally open air vent damper online manufacture

12 In. Normally Open Adjustable Motorized Damper Production description Normally Open Adjustable Motorized Damper with manual quadrant adjustment handle. Ideal for use in branch duct lines for adjusting supply ... Read More

Round Backdraft HVAC Air Control Dampers Production description Material Backdraft HVAC Air Control Dampers is made of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are ... Read More

Manual Air Balance Duct Damper Air Balance Duct Damper description The Air Balance Duct Damper can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, ... Read More

Round Ventilation Air Flow Volume Controller Damper For Air Conditioning Duct Production description Motorized Adjustable Airflow Damper is mounted in ductwork to control the amount of airflow in an HVAC system ... Read More

Adjust Air Duct Damper For HAVC Unit Adjust Air Duct Damper description The Adjust Air Duct Damper is designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and ... Read More