SDGER - Spiral Duct

Product Information

View Performance Data SDGER

Spiral Duct Grille Return
Extruded Aluminum Construction

Price SDGER Extruded Aluminum Duct Return Grille was designed to be mounted on a round or spiral duct without the use of transitions. The face frame of the SDGER is curved to match the radius of the duct, allowing the grille to fit snugly around it. The look of the grille can be further enhanced by selecting the clear anodized finish. The SDGER is also available in any Price standard paint finish, including custom matched colors. SDGER series grilles combine architectural appeal with excellent performance characteristics, making it a perfect choice for high profile applications


  • Extruded Aluminum Construction.
  • End frames match duct curvature.
  • Perforated face, staggered round 3/16 in. [5] hole on 1/4 in. [6] centers.
  • Clear anodized or paint finish.
  • Mounts directly to duct.
  • Closed cell foam gasket attached to the border provides a tight seal around opening in the duct.
Mounting / Finish Options

Countersunk screwholes c/w oval-head screws A
Clear Anodized CA
White Powder Coat B12
For optional and special finishes see color matrix.

    Product Selection Checklist

  1. Select Unit Size based on desired performance characteristics.
  2. Select Finish.
Example: SDGER // I / 10 / 24 / 6 ////// A / B12

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