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Duct Mounted Grilles

Aluminum Spiral Duct Mounted GrilleAluminum Spiral Duct Mounted Grille • Single or Double Deflection • Optional Damper/Extractor

  • Spiral Grilles save contractor installation time and money by directly mounting to the duct.
  • Available with single or double deflection, with adjustable louvers vertical or horizontal.
  • Front louvers available in vertical or horizontal.
  • All-aluminum construction with universal end caps to match duct diameters from 10” thru 36” in even increments.
  • Foam gasketing standard for tight seal to duct.
  • Optional ASD (Air Scoop Device) - operable with Phillips screwdriver for volume adjustment, accessible from grille face.
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