Model DFD-150 is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has a 3¹¹/₁₆ inch frame. Dynamic-rated-fire dampers are in HVAC systems that remain operational in the event of a fire.

Steel louvered face diffuser, Titus Series TDC & TDCA diffusers handle an unusually large amount of air for a given pressure drop and noise level. Their pleasing appearance harmonizes with various architectural details, especially in modular ceiling systems.

Steel perforated return diffuser Designed for both return or exhaust applications