This round manual balancing damper is a must-have for HVAC professionals. It comes in a size of 8 inches and is made by the trusted brand Ruskin. The damper is designed to regulate the airflow in HVAC systems and is perfect for use in both commercial and residential settings.

The RUSKIN MDRS25 model is a great choice for those looking for a reliable and durable damper. It has been tested for quality and is guaranteed to last for a long time. With its round shape and easy to use manual controls, this damper is the ideal solution for those looking to balance airflows in their HVAC systems.