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        1. Home
        2. Products
        3. Air Distribution
        4. Grilles, Registers & Diffusers
        5. Fire-Rated Packages
        Fire-Rated Packages
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        • Louvered Face Diffusers https://catalog-api.greenheck.com/api/category/en-us/601
        • Step Down Diffusers https://catalog-api.greenheck.com/api/category/en-us/607
        • Perforated Face Diffusers https://catalog-api.greenheck.com/api/category/en-us/603
        • Cube Core Return Grilles https://catalog-api.greenheck.com/api/category/en-us/599

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        Fire-Rated Packages

        Must be installed according to UL Standard 263.

        Greenheck fire-rated grilles, registers and diffusers are classified and listed by UL for use in restrained and unrestrained floor/ceiling or roof/ceiling assemblies with up to a 3-hour rating.
        Louvered Face Diffusers

        Louvered Face Diffusers

        Louver face ceiling diffuser with a UL-listed ceiling radiation damper.

        VIEW Louvered Face Diffusers
        https://catalog-api.greenheck.com/api/category/en-us/601
        Step Down Diffusers

        Step Down Diffusers

        Fire-rated 2-cones and 3-cones square face diffusers with a UL-Listed ceiling radiation damper.

        VIEW Step Down Diffusers
        https://catalog-api.greenheck.com/api/category/en-us/607
        Perforated Face Diffusers

        Perforated Face Diffusers

        The look of a perforated diffuser in a fire-rated package.

        VIEW Perforated Face Diffusers
        https://catalog-api.greenheck.com/api/category/en-us/603
        Cube Core Return Grilles

        Cube Core Return Grilles

        Cube core return grille with a UL-listed ceiling radiation damper for T-bar lay-in applications.

        VIEW Cube Core Return Grilles
        https://catalog-api.greenheck.com/api/category/en-us/599
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