The Science of Comfort TM

Diffusers

Price Diffusers deliver high-performance air distribution with architectural flexibility and quiet operation. Designed for a wide range of interior spaces, they improve indoor air quality and occupant comfort while integrating seamlessly into ceilings and other building elements. Their durability and performance make them a dependable choice for commercial applications.

Learn about Grilles, Registers and Diffusers

What's the Difference Between a Grille and a Register?  | GRD Features and Applications

Introduction to GRD
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  • Square Cone Diffuser

    SCD - Square Cone Diffuser

    SCD, ASCD, SCDA, ASCDA, SCD-FR, SCDA-FR

    Square cone diffuser designed for balanced air diffusion and architectural integration.

     

  • Modular Louvered Face Diffuser

    SMD/AMD - Modular Louvered Face Diffuser

    SMD, AMD, AMDE, SMDA, AMDA, SMX, AMX, AMEX, SMDP, MSD, LCMD, SMD-FR, SMDA-FR, SMX-FR

    Modular steel diffuser providing directional airflow control for high-performance HVAC designs.

  • Custom Flow Architectural Slot Diffuser

    CF - Custom Flow Architectural Slot Diffuser

    AS, JS, ASP, JSP, CFT, CF4, CFP, CFPC, CFC

    Custom flow diffuser designed for tailored air patterns and optimal comfort in HVAC air distribution.

  • Linear Slot Diffuser

    SDS - Linear Slot Diffuser

    SDS, SDR, SDSC, SDRC, SDS4, SDA, SDB, SDBC

    Linear slot diffuser offering adjustable air patterns and sleek appearance for ceiling HVAC systems.

  • High Capacity Drum Louvers

    HCD - High Capacity Drum Louvers

    HCD, DLSS, DBH

    Engineered for long air throw and precise directional control, featuring rotatable drums and durable extruded aluminum blades.

  • T-Bar Diffuser, Ice-Tong Pattern Controller

    TBD3 - T-Bar Diffuser, Ice-Tong Pattern Controller

    TBD3, TBD3-FR

    T-bar diffuser with Ice-Tong pattern controller featuring a coated steel casing, extruded aluminum center tee, and high-induction airflow control for thermal comfort.

  • Round Cone Diffuser

    RCD - Round Cone Diffuser

    RCD, ARCD, RCDA, RCDE

    Round Cone Diffusers (RCD) combine the visual appeal of a round cone design with maximum air diffusion
    efficiency.

  • Adjustable Modular Core Directional Diffuser

    AMCD - Adjustable Modular Core Directional Diffuser

    AMCD

    The modular core directional diffuser (AMCD) supplies large volumes of air at low sound levels and
    pressure drops.

  • Nozzle Diffuser

    ND - Nozzle Diffuser

    ND

    Available in a variety of sizes and with multiple mounting options, the Nozzle Diffuser (ND) is well suited to
    industrial and commercial applications that require long throws and directional control.

  • Perforated Face Supply Diffuser, Face Mounted Controllers

    PDF - Perforated Face Supply Diffuser, Face Mounted Controllers

    PDF, PDF-FR, PDFE-FR

    The perforated supply diffuser with face mounted pattern controllers (PDF) is extremely versatile, available in a wide variety of sizes with a full selection of frame and mounting styles.

  • Architectural Perforated Diffuser, Supply

    PDS - Architectural Perforated Diffuser, Supply

    PDS

    The architectural perforated face diffuser features an extruded aluminum border and mounting frame that match
    seamlessly for a flush mount that blends with most ceiling tiles.

  • Modular Core Directional Diffuser

    SMCD - Modular Core Directional Diffuser

    SMCD

    The modular core directional diffuser (SMCD) supplies large volumes of air at low sound levels and
    pressure drops.

  • T-Bar Diffuser, Sloped Plenum

    TBD8 - T-Bar Diffuser, Sloped Plenum

    TBD8

    T-bar diffusers consists of a coated steel casing with extruded aluminum center tee (minimum 2 slot) and pattern
    controllers.

  • Shaped Diffuser

    SHP - Shaped Diffuser

    SHP-CF, SHP-PR

    SHP series architectural slot diffusers are designed specifically for integration with Armstrong Ceilings DesignFlexTM Shapes ceiling systems.

  • Curved Vane Directional Diffusers

    CVD - Curved Vane Directional Diffusers

    CVD, SCVD, ACVD

    The Curved Vane Diffuser (CVD) is available in multiple core styles and features individually adjustable curved vanes that are accessible from the grille face.