US301FL - Aluminum spiral supply grille with universal end cap

The US301FL is an aluminum spiral supply grille designed for efficient air distribution in HVAC systems. This model features a single deflection design with 3/4" blade spacing, where the blades run parallel to the grille's long dimension. The universal end cap ensures a secure and compatible fit within ductwork ranging from 10" to 36" in diameter, making it a versatile choice for various HVAC projects.

One of the key advantages of the US301FL is its ease of installation. The grille mounts directly to the ductwork, saving contractors valuable time and labor costs. It is available with either single or double deflection and offers adjustable louvers that can be positioned vertically or horizontally for customized airflow control. The all-aluminum construction guarantees durability, while the included foam gasketing ensures a tight seal to prevent air leakage. Additionally, an optional Air Scoop Damper (ASD) provides convenient volume adjustment accessible from the grille face.

The US301FL aluminum spiral supply grille is ideally suited for a wide range of commercial and residential construction projects. Its efficient design and adjustable features make it a popular choice for schools, offices, retail spaces, and other applications where balanced air distribution is crucial. Classified under Masterformat Division 23 37 13, this grille seamlessly integrates into new HVAC systems or serves as a reliable replacement component in existing installations.