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The Hart Cooley 672-20x6 is a stamped face return air grille designed for sidewall return air applications in residential HVAC systems. This grille measures 20 inches by 6 inches and carries an overall dimension of 21-3/4 inches wide by 7-3/4 inches tall with a 5/16 inches depth. It is built from steel and finished in bright white enamel, giving it a clean look that blends with standard interior walls and ceilings. The 672 series is a trusted choice among HVAC installers and service technicians who need a reliable, consistent return air solution that meets common residential duct opening sizes. The stamped face construction provides a uniform appearance and structural rigidity, which is important when fitting grilles in drywall or plaster surfaces where a flush, secure fit is required. The fin spacing on this grille is 1/2 inch, and the fins are set at a 40-degree angle. This combination supports an airflow rating of 330 CFM at 600 FPM velocity, making it well suited for standard residential air handler systems where proper return air volume is critical to system efficiency and comfort. Adequate return airflow prevents static pressure buildup that can strain blower motors and reduce system lifespan. The grille also features a 5/16 inches margin turnback, which helps cover rough duct opening edges for a finished installation appearance. HVAC technicians, contractors, and remodelers frequently specify the Hart Cooley 672 series for new construction and replacement jobs. It ships 10 units per case, which is convenient for contractors stocking up for multiple jobs or large residential projects. This grille does not include a damper, so it is intended strictly for return air service where airflow direction control is not required.
The Hart Cooley 672-20x6 return air grille delivers reliable airflow performance and a professional appearance for residential sidewall return air installations. Its steel stamped face construction and bright white enamel finish make it a practical, durable choice for HVAC contractors and installers.
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