
SD41
The SD41 is a spiral duct-mounted single deflection grille with vertical front blades, designed for effective directional airflow. It’s offered with either a curved aluminum frame for seamless spiral duct integration or a versatile universal frame available in aluminum or steel for broader installation flexibility.
Product Features
- Front blades are vertically oriented, with optional rear blades running horizontally
- Features foam gasket to provide a tight fit onto round duct work
- Units can come with air scoop for airflow adjustment
- Available in steel or aluminum construction
- Features single deflection with one set of adjustable blades