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The Lukjan DX331224 is a duct starting collar designed for HVAC systems. This product is essential for connecting rectangular ductwork. It measures twelve inches by twenty-four inches and provides a secure and efficient transition from duct to collar.
The DX33 (520) rectangular start collar simplifies ductwork assembly and promotes better airflow.
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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