The DFD-150X series is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has an integral sleeve. Dynamic-rated-fire dampers are in HVAC systems that remain operational in the event of a fire.

Steel double deflection supply grille, 3/4" blade spacing, front blades parallel to short dimension FEATURES AND BENEFITS Available with front louvers vertical or horizontal Optional opposed blade damper has screwdriver adjustment accessible through face of register Front and rear louvers are individually adjustable Insect and debris screens are not available when dampers are fitted Material is steel #8 x 11/4” lg. Phillip’s flat head sheet metal screws (painted) All dimensions are ± 1/16”

Special Hardness Offset Right Aviation Snip