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Front view of a black 14x6 inch 3-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems
Side view of a black 14x6 inch 3-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems
Another side view of a black 14x6 inch 3-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems
Full dimensions of a black 14x6 inch 3-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems
Linear Slot Diffuser - CASA 3-slot installation submittal
Linear Slot Diffuser High Air Flow CFD Simulation - 3 slot

14x6" Linear Slot Diffuser - CASA Series Modern Vent Cover - Matte Black - FLO-MATRIX HVAC

FWASD25-3/169W/383L/005
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$55.78 CAD
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$55.78 CAD
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Details


This 14x6 inch linear slot diffuser in matte black offers the ultimate upgrade for your home's airflow—seamlessly replacing standard vent covers with a sleek, modern look. Unlike flimsy alternatives, our heavy-duty extruded aluminum construction resists cracking during installation, eliminating frustrating breaks. The rich powder-coated finish adds durability while integrated weather stripping prevents ceiling smudges (a game-changer for hard-to-reach ceiling installations!).

These precision-engineered diffusers feature 25mm slots with 180° adjustable blades, offering two-way airflow control for customized comfort. Perfect for both residential and professional VAV systems, they combine architectural-grade performance with hassle-free installation—designed as direct replacements for old vent covers. For flawless results and optimal airflow, professional installation is recommended.

 

    • A Perfect Fit for Your Home: With its standard 14x6" size, our CASA Series is the ideal, hassle-free retrofit upgrade to replace old, bulky vent covers with a sleek, modern linear slot diffuser.
    • Clean & Modern Residential Design: This vent cover features a crisp, minimalist profile with a defined 1-inch slot opening, designed to seamlessly complement any room's aesthetic without demanding costly renovation.
    • Superior, Quiet Airflow: The engineered 1-inch slot allows a higher volume of air to pass through more efficiently than traditional 19mm AC vent covers, improving your HVAC system's performance without added noise.
    • Protects Your Ceiling from Stains: An integrated foam gasket ensures a tight seal against the ceiling, preventing dusty air leakage that causes ugly black smudges and marks around old registers.
    • Surprisingly Durable Construction: Don’t let its sleek look fool you. Built from architectural-grade aluminum with reinforced welds, this vent cover is built to resist bending, cracking, and daily wear.
    • Scratch-Resistant Matte Black Finish: Finished in a sophisticated matte black powder coat that is exceptionally resistant to chipping, corrosion, and fading, keeping it looking new for years.
    • Seamless, No-Screw Look: Achieve a flawless, custom-looking installation. All mounting is handled discreetly on the inner edges, leaving the visible face completely clean and unbroken. (Fasteners not included).
    • Tailor Your Comfort: For ultimate airflow control, easily pair this linear slot diffuser with a custom plenum box (sold separately) to perfectly match your system's output for any room.
    • Quick Shipping from Our Warehouse: We ship from Vancouver, Canada. Most customers in the USA receive their retrofit vent covers within 2-7 business days.

     

    Full dimensions of a black 14x6 inch 3-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems

     

    Performance

     

    Performance Data

    Flow Rate (CFM)

     Static Pressure (in.wg) Noise Level (NC)

    103
    150
    186

    0.04
    0.08
    0.16

    20
    30
    40

      * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.

     

    Submittal

     

    Click here to download a high resolution of this submittal sheet

     

    Linear Slot Diffuser - CASA 3-slot installation submittal


     

    Resources

     

    Our Guide to 19mm VS. 25mm Slot Width Differences

     

    Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems

     

    CFD Airflow Analysis Services for Smarter HVAC Design

     

     

    Why a Commercial Grade Vent Cover is a Smart Upgrade for Your Home

    Thinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.

    The most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.

    You'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.

    Choosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.

    We've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, our team is here to help you find the perfect fit.

     

     

    Videos

     

    Showcase Video of Product - CASA Series Modern AC Vent Covers


     

    Video of previous custom plenums

     

    Our retail store showroom - Greater Vancouver, Canada

    Details


    This 14x6 inch linear slot diffuser in matte black offers the ultimate upgrade for your home's airflow—seamlessly replacing standard vent covers with a sleek, modern look. Unlike flimsy alternatives, our heavy-duty extruded aluminum construction resists cracking during installation, eliminating frustrating breaks. The rich powder-coated finish adds durability while integrated weather stripping prevents ceiling smudges (a game-changer for hard-to-reach ceiling installations!).

    These precision-engineered diffusers feature 25mm slots with 180° adjustable blades, offering two-way airflow control for customized comfort. Perfect for both residential and professional VAV systems, they combine architectural-grade performance with hassle-free installation—designed as direct replacements for old vent covers. For flawless results and optimal airflow, professional installation is recommended.

     

      • A Perfect Fit for Your Home: With its standard 14x6" size, our CASA Series is the ideal, hassle-free retrofit upgrade to replace old, bulky vent covers with a sleek, modern linear slot diffuser.
      • Clean & Modern Residential Design: This vent cover features a crisp, minimalist profile with a defined 1-inch slot opening, designed to seamlessly complement any room's aesthetic without demanding costly renovation.
      • Superior, Quiet Airflow: The engineered 1-inch slot allows a higher volume of air to pass through more efficiently than traditional 19mm AC vent covers, improving your HVAC system's performance without added noise.
      • Protects Your Ceiling from Stains: An integrated foam gasket ensures a tight seal against the ceiling, preventing dusty air leakage that causes ugly black smudges and marks around old registers.
      • Surprisingly Durable Construction: Don’t let its sleek look fool you. Built from architectural-grade aluminum with reinforced welds, this vent cover is built to resist bending, cracking, and daily wear.
      • Scratch-Resistant Matte Black Finish: Finished in a sophisticated matte black powder coat that is exceptionally resistant to chipping, corrosion, and fading, keeping it looking new for years.
      • Seamless, No-Screw Look: Achieve a flawless, custom-looking installation. All mounting is handled discreetly on the inner edges, leaving the visible face completely clean and unbroken. (Fasteners not included).
      • Tailor Your Comfort: For ultimate airflow control, easily pair this linear slot diffuser with a custom plenum box (sold separately) to perfectly match your system's output for any room.
      • Quick Shipping from Our Warehouse: We ship from Vancouver, Canada. Most customers in the USA receive their retrofit vent covers within 2-7 business days.

       

      Full dimensions of a black 14x6 inch 3-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems

       

      Performance

       

      Performance Data

      Flow Rate (CFM)

       Static Pressure (in.wg) Noise Level (NC)

      103
      150
      186

      0.04
      0.08
      0.16

      20
      30
      40

        * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.

       

      Resources

       

      Our Guide to 19mm VS. 25mm Slot Width Differences

       

      Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems

       

      CFD Airflow Analysis Services for Smarter HVAC Design

       

       

      Why a Commercial Grade Vent Cover is a Smart Upgrade for Your Home

      Thinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.

      The most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.

      You'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.

      Choosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.

      We've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, our team is here to help you find the perfect fit.

       

       

      Videos

       

      Showcase Video of Product - CASA Series Modern AC Vent Covers


       

      Video of previous custom plenums

       

      Our retail store showroom - Greater Vancouver, Canada