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Picture of Slab Duct

The OmniDuct Slab Duct is used to exhaust air from bathroom fans, range hoods, and clothes dryers but can also be used for fresh air intake and supply air.

Stock Sizes

  • ALL SIZES  3.5" Channel Width

  • 12" x 1.75"

  • 12" x 2"


  • Rectangular spiral seamed duct made to be installed in concrete floors of high-rise buildings.

  • OPTIONAL: Custom sizes available upon request to suit any and all applications.


  • Manufactured in 10' lengths.

  • 3.5" wide reinforcing channel entire length of duct

  • Can be shipped loose or lifts of 1080' for easy hoisting onsite

  • Pressure Rating (-1 to +2 water gauge)

  • Made in Canada

  • All testing performed by Intertek Testing Services NA Ltd.
    Warnock Hersey and Hardy Associates Ltd.

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