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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
Temperature Rating: L140-40F
Ensures optimal combustion
Energy-efficient performance with an EER rating of 11
Dimensions: Approx
M&M Manufacturing 640R6844 Register Box R6 4 in. Tall 8x4x4 in. Duct GMC_overlay Temperature Rating: L140-40FProduct Description The M&M Manufacturing 640R6844 Register Box R6 is a high quality sheet metal air distribution product. This box is 4 inches tall with an 8x4x4 inch duct, designed to ensure optimal airflow and performance. Constructed from durable materials 4 inches tall 8x4x4 inch duct size Product Highlights This register box is suitable for various HVAC applications, ensuring compatibility with standard duct systems. Its design facilitates easy
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