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The M&M 50816 508 Start Collar is a round metal component designed for connecting ductboard in ventilation systems. It is essential for maintaining effective airflow and ensuring proper duct installation.
This start collar is ideal for HVAC professionals requiring reliable duct connections.
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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