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SD42

The SD42 is a spiral duct-mounted double 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 double deflection with two sets of adjustable blades

Finishes

  • White (White Finish is suitable for a primer coat if field painting is required)
  • Satin Silver
  • Black
  • Clear Anodized
  • Mill
  • Custom Color

Optional Accessories

  • OBDA - Aluminum Opposed Blade Damper
  • OBDE - Extruded Aluminum Opposed Blade Damper

OVERVIEW