US300FL - Aluminum universal end cap spiral grille

The US300FL is an aluminum universal end cap spiral grille designed for use in HVAC systems. Constructed with double deflection and 3/4" blade spacing, this grille features front blades parallel to its long dimension. The US300FL is a versatile and efficient solution for directing airflow in a wide range of commercial and residential settings.

Key features of the US300FL aluminum spiral grille include its direct-to-duct mounting system, which simplifies installation and reduces labor costs. Available in both single and double deflection configurations, the US300FL offers flexible airflow control. The grille's adjustable louvers can be positioned vertically or horizontally, providing customized air distribution. Its durable, all-aluminum construction incorporates universal end caps, ensuring compatibility with duct diameters ranging from 10" to 36" in even increments. Foam gasketing comes standard, creating a tight seal against the duct to minimize air leakage. For enhanced airflow control, an optional Air Scoop Damper (ASD) is available, offering easy volume adjustment with a Phillips screwdriver directly from the grille face.

The US300FL aluminum universal end cap spiral grille is commonly specified for a variety of HVAC projects. Its adaptability makes it suitable for new construction and retrofit applications in commercial buildings, offices, retail spaces, and institutions. This grille effectively delivers conditioned air to large and small areas while seamlessly blending into the ceiling or wall, making it an ideal choice for architects, engineers, and contractors seeking both performance and aesthetics. The US300FL falls under Masterformat Division 23 37 13 for Diffusers, Registers, and Grilles.