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
Product Filter
  • Square Plaque Diffuser

    SPD - Square Plaque Diffuser

    SPD, ASPD, SPD-FR, SPDHI, SPDLT, SPJD

    Modern square plaque diffuser offering even air distribution and low-noise HVAC operation.

  • 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.

  • 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.

  • Perforated Return Diffuser

    PDDR - Perforated Return Diffuser

    PDDR, PDDR-FR, PDDRE-FR

    The Perforated Return Diffuser (PDDR) is designed to match the PDF, PDN, PDC, PDSP and PDMC perforated
    supply diffusers in appearance and detail.

  • Perforated Face Supply Diffuser, Neck Mounted Controllers

    PDN - Perforated Face Supply Diffuser, Neck Mounted Controllers

    PDN, PDN-FR, PDNE-FR

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