Stratus Cone Diffuser


The T-Grid Lay-In Plastic Diffuser delivers reliable airflow performance with the durability of modern plastic, fitting seamlessly into standard T-grid ceiling systems. Proudly made in the USA.


  • Durable Plastic

    • Won't rust, corrode or fade

    • Dishwasher safe

    • Never needs painting

    • Indistinguishable from metal when installed

  • Air flow consistent with metal

    • Anti-static

    • Resists sweating

    • Consistent smooth finish

    • More dimensionally stable

    • Indistinguishable from metal when installed

  • Item description
    • MATERIAL Engineered Polymers

    • Stainless Steel Screws

    • STYLES Cone: 23.75” x 23.75” for T-grid ceilings Plaque: 23.75” x 23.75” for T-grid ceilings

    • NECK SIZES 6”, 8”, 10”, 12”, 14” (nominal duct sizes)

    • INSULATION BLANKET - OPTIONAL R6 thermal resistance, fiberglass insulation comes attached to diffuser

    • COLORS White, Black, Tan (Custom colors available with minimum order quantity)

    • Standard Grille is flame resistant, meets UL94HB flame spread test

    • Fire Rated Version, meets UL 2043, Test for Fire, Heat & Smoke for air handling spaces

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Thermal Blanket