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The M&M Manufacturing 640R612129 Register Box is designed for efficient air distribution. The register box is 4 inches tall and features a duct size of 12 x 12 x 9 inches.
This register box by M&M Manufacturing is ideal for air distribution applications. It is made to fit duct systems of 12 x 12 x 9 inches and weighs only 0.31 pounds, making it easy to handle and install.
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