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The Gray Metal South 310F-9 is a nine inch starting collar designed for ductboard applications. This product includes a built-in damper to effectively manage airflow and enhance system efficiency. Its straightforward design allows for easy installation, integrating seamlessly into existing duct systems without requiring extra tools.
This starting collar is ideal for HVAC systems needing reliable airflow control.
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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