Steel Single Deflection Return Grille with ¾” blade spacing, 35° fixed deflection, Blades parallel to the long dimension

Model DFDR-510 is a round fire damper for use in walls, floors, and partitions with fire-resistance ratings less than three hours. Dynamic-rated-fire dampers are in HVAC systems that remain operational in the event of a fire.

Steel perforated return diffuser Designed for both return or exhaust applications