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The M&M Manufacturing 400-10X9 Duct Pipe Reducer is a component used to connect duct pipes of different sizes. This reducer connects a 10-inch duct to a 9-inch duct, facilitating airflow transition within HVAC systems.
Connects 10-inch duct to 9-inch duct.
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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