20" x 20" T-Bar Diffuser with Insulation, Perforated

Hart & Cooley 50356 – 20" x 20" Perforated T-Bar Diffuser with Insulated Backpan

The Hart & Cooley 50356 is a 20" x 20" perforated-face T-Bar diffuser engineered for integration with standard 2' x 2' suspended ceiling grid systems. Designed for use in commercial and institutional HVAC installations, this diffuser features a precision-formed steel faceplate and an R4.2 molded fiberglass backpan for thermal insulation and condensation control.

Performance Features

• Perforated Steel Face: Optimizes air diffusion and delivers uniform airflow across occupied spaces.
• Insulated Backpan: R-4.2 molded fiberglass liner reduces energy loss and minimizes condensation risk.
• System Compatibility: Accepts standard spin-in or snap-in round duct collars for flexible duct connection options.
• Finish: Bright white enamel coating for corrosion resistance and integration with ceiling systems.
• Low-Profile Construction: 4-1/4" depth allows easy clearance in shallow plenum applications.

Product Specifications

• Face Size: 20" x 20"
• Nominal Fit: Standard 2' x 2' T-Bar ceiling grid
• Depth: 4-1/4 inches
• Material: Steel face with fiberglass-insulated back panel
• Finish: Bright white baked enamel

Installation Considerations

The 50356 diffuser is designed for drop-in placement within T-bar ceiling grids and includes provisions for field adaptation using standard collars. Installation is straightforward; however, for optimal performance, it is recommended that placement and duct connections be handled by qualified HVAC technicians to ensure compliance with air distribution design requirements and local codes.

Applications

• Commercial offices
• Institutional buildings
• Retail environments
• Educational facilities

This diffuser provides effective air distribution in supply air applications where a clean, low-profile ceiling appearance is desired. It is suitable for integration into systems requiring precise airflow control, energy conservation, and acoustic performance.