obd damper 1.used to achieve volume control in supply and exhaust air systems. 2.sizes and colors are upon request

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.

Zhaoqing Grandaire Air conditioning Co.,Ltd has been established for 18 years and is specialized in manufacturing a wide range of diffusers and grilles for A/C industry for domestic and overseas markets. With a strong commitment to quality and timed delivery, we have been exporting more than 4 million US dollars of products to overseas markets each year, including USA, UK, Australia, Belgium, Spain, Israel and other countries.

We are looking forword to estabalish long-term and win-win business relationship with you.Please feel free to contact me with you any requirement about our products.