12" x 12" Return Air Filter Grille, White

043401 Hart & Cooley 659 Series Return Air Filter Grille – 12x12

The Hart & Cooley 043401 Return Air Filter Grille, part of the 659 Series, is designed for professional HVAC installations where durable construction and service accessibility are required. This grille combines effective air return functionality with integrated filter access, featuring a hinged face panel for quick maintenance. The fixed 20° deflection blade design and 1/3-inch spacing provide uniform airflow, low noise levels, and minimal pressure drop, ensuring optimal return performance in residential and light commercial systems.

Technical Specifications

• Manufacturer: Hart & Cooley
• Model Number: 043401
• Series: 659
• Product Type: Return Air Filter Grille
• Nominal Size: 12 in. x 12 in.
• Duct Opening (Height): 11-15/16 inches
• Overall Dimensions: 14-5/8 in. Length x 14-5/8 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 thumb latch or spring catch
• Filter Compatibility: Accepts standard 1-inch filter (field supplied)
• Hinge Orientation: Field-selectable for side or bottom opening
• Airflow Function: Return air intake and filtration
• Operating Temperature: Up to 140°F (60°C)
• Application: Residential and light commercial HVAC return air systems
• Compliance: SMACNA and ASHRAE air distribution and filter access standards

Professional Notes

The Hart & Cooley 659 Series filter grille is intended for professional HVAC installation where dependable air return and serviceability are essential. The steel construction ensures mechanical strength and long-term durability, while the baked enamel finish provides corrosion resistance and a clean architectural appearance. The hinged face design allows fast filter replacement without removing the grille frame, reducing service time. Proper sealing between grille and duct opening is recommended to maintain system efficiency and prevent air leakage.

Summary

The Hart & Cooley 043401 (659 Series) 12x12 Return Air Filter Grille features a 20° fixed-blade design with 1/3-inch spacing, a hinged access panel, and a bright white baked enamel finish. Constructed from heavy-gauge steel, it provides professional-grade durability, easy filter access, and reliable return airflow for wall or ceiling HVAC installations.