Opposite blade damper 

Opposite Blade Damper(OBD) is used to achieve volume control in supply and exhaust air systems.

The air flow can be constant and well distributed via the diffusers and the grilles with the OBD.

Sizes can be customized to customer's requirement.

Standard color:natural anodized and mill finish

Wheel gear with damper 

Besides of these product, we still have other diffusers , please choosing :

 If you have any new inquiry, welcome to contact with us !

Sky