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The Hart Cooley 43108 is a horizontal wall return air grille from the HC 650 Series, designed for residential and light commercial HVAC systems. This grille mounts on the wall and allows return air to flow back into the duct system efficiently. It fits a duct opening that measures 9.5 inches wide by 3.906 inches high, making it a standard fit for common residential duct configurations. The overall face dimensions are 10 inches wide by 4 inches high, giving it a clean, finished look on the wall surface. The overall installed width is 11.75 inches and the overall length is 5.75 inches, providing a border that covers the rough duct opening neatly. The grille features horizontal fixed blades set at a 20-degree deflection angle. This angle directs return airflow smoothly along the wall, reducing turbulence and noise as air enters the duct. The blade spacing is one-third of an inch, which balances airflow volume with visual cleanliness. Constructed from steel with a bright white enamel finish, this grille is built to last in everyday HVAC applications. The white enamel coating resists chipping and blends with standard interior wall colors. It is domestically manufactured, meeting quality expectations for professional HVAC installations. HVAC technicians and contractors use return air grilles like this one to complete forced-air systems in homes, offices, and commercial spaces. Proper return air flow is critical for system efficiency and indoor air quality. The Hart Cooley 650 Series is a trusted line for wall grille applications, known for consistent fit and finish. This grille is a drop-in replacement or new installation solution for 10 by 4 inch wall return air openings.
The Hart Cooley 43108 HC 650 Series wall return air grille offers a reliable, professional-grade solution for 10 by 4 inch return air duct openings. Its steel build, white enamel finish, and horizontal blade design make it a standard choice for HVAC installations and replacements.
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