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The M&M 645R6845 Register Box features a steel construction with dimensions of eight inches in length and four inches in width. It includes a five-inch collar and is ideal for air distribution applications.
This register box is designed to provide optimal airflow while maintaining strength and durability.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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