20" x 20" Air Filter Grille, White

043419 Hart & Cooley 659 Series Return Air Filter Grille – 20x20

The Hart & Cooley 043419 Return Air Filter Grille (Series 659) is a professional-grade air distribution component engineered for HVAC return air systems requiring filter access. Designed for performance and ease of maintenance, this grille integrates a hinged face panel for filter replacement and a clean, architectural appearance suitable for residential and light commercial installations. The 659 Series features a fixed 20° deflection blade design and 1/3-inch spacing to promote consistent airflow and low-pressure drop across the filter face.

Technical Specifications

• Manufacturer: Hart & Cooley
• Model Number: 043419
• Series: 659
• Product Type: Return Air Filter Grille
• Nominal Size: 20 in. x 20 in.
• Duct Opening (Height): 19-15/16 inches
• Overall Dimensions: 22-5/8 in. Length x 22-5/8 in. Width
• Deflection Angle: 20 degrees (fixed blade design)
• Blade Spacing: 1/3 inch
• Material: Steel construction
• Finish: Bright White baked enamel
• Mounting Type: Surface mount for wall or ceiling installation
• Filter Access: Hinged face frame with spring or thumb latch closure
• Filter Compatibility: Accepts standard 1-inch filters (field supplied)
• Hinge Orientation: Side or bottom hinge (field selectable)
• Airflow Function: Return air applications for residential and light commercial HVAC systems
• Temperature Rating: Up to 140°F (60°C)
• Compliance: Conforms to SMACNA and ASHRAE air distribution standards

Professional Notes

The Hart & Cooley 659 Series return air filter grille is designed for installation by HVAC contractors requiring reliable filter access in return duct systems. The 20° fixed deflection blades minimize air noise and maintain consistent airflow patterns, while the hinged face simplifies filter service without removing the grille frame. The steel construction and baked enamel finish ensure mechanical durability and long service life. When installed, the grille should be properly aligned and gasketed to prevent air leakage and maintain system efficiency.

Summary

The Hart & Cooley 043419 659 Series Return Air Filter Grille features a 20x20 nominal size with a 20° fixed deflection blade design, 1/3-inch spacing, and a hinged access panel. Constructed of steel with a bright white baked enamel finish, it provides durable and efficient return air performance for professional HVAC installations.