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The SOUTHWARK METAL 84STWD9 9 inch collar with damper is engineered for precise airflow control in duct systems. Manufactured from 26 gauge steel and finished with a hot dipped galvanization for enhanced durability and rust resistance, this product stands out for reliable HVAC installations.
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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