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The Mitchell Metal Products MM-3496 is a six-inch duct board stating collar. This collar is suitable for use with R4, R6, and R8 insulation types. It features a damper that helps regulate airflow in duct systems.
This collar is ideal for HVAC installations, ensuring proper airflow regulation.
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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