6″ Fixed Pattern Diffuser, 4-Way

Product Overview

The Hart & Cooley 050500 Fixed Pattern Diffuser (FPD06) is a 6-inch, 4-way square ceiling diffuser engineered for uniform air distribution in commercial and institutional HVAC systems. Designed for supply air applications requiring balanced flow and low noise, the diffuser provides a full 360-degree diffusion pattern to ensure even air mixing and comfort across conditioned spaces. The FPD Series is constructed from high-quality steel with a bright white baked enamel finish for corrosion resistance and architectural compatibility in standard ceiling grid installations.

Technical Specifications

• Manufacturer: Hart & Cooley
• Model Number: 050500
• Series: FPD (Fixed Pattern Diffuser)
• Description: Fixed 4-Way Ceiling Diffuser – 6 in
• Reference Number: 201027
• Nominal Neck Size: 6 in (152 mm)
• Face Type: 4-way square pattern
• Diffuser Face Dimensions:
  • Width: 23-3/4 in (603 mm)
  • Height: 23-3/4 in (603 mm)
• Depth: Standard FPD profile for ceiling grid compatibility
• Air Pattern: 360° diffusion (four-directional discharge)
• Construction: Steel diffuser face and frame
• Finish: Bright white baked enamel coating for durability and corrosion resistance
• Mounting Type: Lay-in ceiling grid installation or surface-mount configuration
• Neck Connection: Round duct collar connection sized for 6 in nominal duct
• Airflow Type: Supply air distribution
• Performance Characteristics:
  • Fixed blade configuration ensures balanced multi-directional air pattern
  • Optimized discharge geometry for consistent air velocity and low noise
  • Designed to promote full room air circulation in conditioned spaces
• Application:
  • Commercial HVAC air distribution systems
  • Institutional and office environments
  • Ceiling-mounted supply air applications
• Operating Environment: Indoor air distribution for conditioned air systems
• Material Finish Standard: Complies with SMACNA and ASHRAE material and performance guidelines
• Installation Requirements: Fits standard 24 x 24 in ceiling grids; install with mechanically fastened duct collar for secure airflow connection
• Maintenance: Fixed core requires minimal maintenance; surface finish can be cleaned using mild detergent
• Compliance:
  • Meets ASHRAE air diffusion performance standards
  • Manufactured under ISO 9001-certified quality system
• Color: Bright white
• Country of Manufacture: United States

Summary

The Hart & Cooley 050500 Fixed Pattern Diffuser (FPD06) is a 6-inch, 4-way square ceiling diffuser with a 23-3/4 x 23-3/4-inch face and bright white enamel finish. Constructed from steel for durability and engineered for 360° air distribution, it provides uniform airflow and low noise performance in professional commercial HVAC ceiling applications.