16" x 20" Air Filter Grille, White

Product Overview

The Hart & Cooley 043410 Return Air Filter Grille is a 16 x 20-inch fixed-blade filter grille designed for professional HVAC return air systems. Engineered as part of the 659 Series, this grille provides consistent airflow performance with a 20° blade deflection and 1/3-inch blade spacing for efficient return air distribution. Built from heavy-gauge steel with a hinged face for direct filter access, the grille combines strength, accessibility, and corrosion resistance through its durable bright white baked enamel finish, making it ideal for mechanical, commercial, and residential ducted applications.

Technical Specifications

• Manufacturer: Hart & Cooley
• Model Number: 043410
• Series: 659
• Description: Return Air Filter Grille – Fixed Blade Type
• Reference Number: 278432
• Nominal Size: 16 in x 20 in (406 mm x 508 mm)
• Duct Opening Size: 15-15/16 in Height (405 mm)
• Overall Length: 18-5/8 in (473 mm)
• Deflection Angle: 20° fixed blade configuration
• Blade Spacing: 1/3 in (8.5 mm)
• Blade Orientation: Horizontal, non-adjustable for return airflow
• Material: Heavy-gauge formed steel
• Finish: Bright white baked enamel coating
• Color: Bright white
• Mounting Type: Surface mount for wall or ceiling applications
• Filter Compatibility: Accepts standard 1-inch nominal filters (filter not included)
• Access Design: Hinged grille face with spring or screw latch for filter replacement
• Airflow Function: Return air with integrated filter access
• Performance Characteristics:
  • Fixed 20° blade deflection ensures balanced air return flow
  • 1/3-inch spacing maximizes free area and reduces pressure drop
  • Rugged construction minimizes noise and vibration
• Applications:
  • Commercial and residential HVAC systems
  • Sidewall and ceiling return air installations
  • Filtered intake systems for mechanical air handling units
• Installation Requirements:
  • Mount over duct return opening with standard fasteners
  • Ensure hinge clearance for filter access
  • Confirm frame alignment for proper sealing and airflow
• Operating Environment: Indoor, conditioned air return use only
• Compliance and Standards:
  • Meets SMACNA and ASHRAE air distribution performance standards
  • Complies with ANSI/NFPA 90A for duct construction
  • Manufactured under ISO 9001:2015 certified quality management
• Maintenance: Periodic surface cleaning and filter replacement per system service schedule
• Service Life: Designed for long-term durability under continuous HVAC operation
• Country of Manufacture: United States

Summary

The Hart & Cooley 043410 Return Air Filter Grille, from the 659 Series, is a 16 x 20-inch steel assembly featuring 20° fixed horizontal blades with 1/3-inch spacing and a hinged face for filter access. Finished in bright white baked enamel, it delivers durable performance and consistent airflow for professional HVAC return air applications.