24" x 24" Return Air Filter Grille, White

043428 Hart & Cooley 659 Series Return Air Filter Grille – 24x24

The Hart & Cooley 043428 Return Air Filter Grille, part of the 659 Series, is a professional-grade air return component designed for HVAC systems requiring integrated filtration access. Constructed from durable steel with a baked enamel finish, this grille provides consistent airflow performance and easy filter maintenance. The 20° fixed-blade design and 1/3-inch spacing offer balanced air distribution while maintaining low noise levels and minimal static pressure drop. It is suitable for wall or ceiling return installations in residential or light commercial environments.

Technical Specifications

• Manufacturer: Hart & Cooley
• Model Number: 043428
• Series: 659
• Product Type: Return Air Filter Grille
• Nominal Size: 24 in. x 24 in.
• Duct Opening (Height): 23-15/16 inches
• Overall Dimensions: 26-5/8 in. Length x 26-5/8 in. Width
• Deflection Angle: 20 degrees (fixed blade design)
• Blade Spacing: 1/3 inch
• Material: Heavy-gauge steel construction
• Finish: Bright White baked enamel
• Mounting Type: Surface mount for wall or ceiling installation
• Filter Access: Hinged face panel with spring or thumb latch closure for quick access
• Filter Compatibility: Accepts standard 1-inch filter (field supplied)
• Hinge Orientation: Side or bottom hinge – field configurable
• Airflow Function: Return air collection with integral filter access
• Temperature Rating: Up to 140°F (60°C)
• Application: Residential and light commercial HVAC systems
• Compliance: Conforms to SMACNA and ASHRAE air distribution and performance standards

Professional Notes

The Hart & Cooley 659 Series filter grille is designed for installation by HVAC professionals seeking a durable and serviceable return air solution. The hinged face design simplifies filter maintenance without the need to remove the frame, improving service accessibility in field applications. The fixed 20° deflection blades ensure stable return airflow and noise control. The grille’s baked enamel finish provides corrosion resistance and a clean appearance for exposed installations. Proper sealing and fastener placement are recommended to maintain duct integrity and minimize air bypass.

Summary

The Hart & Cooley 043428 (659 Series) 24x24 Return Air Filter Grille features a 20° fixed deflection blade design with 1/3-inch spacing and a hinged access face for easy filter replacement. Constructed of steel with a bright white baked enamel finish, it delivers professional-grade airflow performance and service access for HVAC return air systems.