MANUFACTURED RANGEOpposed Blade Dampers
The OBD is designed to balance airflow in supply and exhaust air systems and easily clips on the neck of a variety of QAE air diffusion products. Airflow control is done through the face of the grille by simply adjusting the screw.
Opposed Blade Damper shall be QAE specified Model OBD of extruded aluminium construction and painted matt black. Opposed Blade Dampers shall be fitted with accessories where required by QAE.