This Trane American Standard BAYOSAH002A manual damper is designed to control the amount of fresh air that enters a building's HVAC system. With an adjustable range of 0-25%, it allows for precise control over ventilation. The damper is compatible with Trane systems and comes with an outside hood for protection against the elements.

The brand, model, and type of this damper are all specified in the title and aspects, respectively. It falls under the HVAC Dampers category in Business & Industrial on eBay. Whether you're retrofitting an existing system or installing a new one, this damper is a reliable and efficient choice for regulating air flow.