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Experience optimal performance with the Air Duct Products 5251.09-26 Start Collar, crafted from 26 gauge steel for durability. Ideal for ducting and sheet metal applications, this collar measures nine inches in diameter and six inches in height, ensuring a reliable fit for air distribution systems.
This start collar is essential for professionals in the HVAC and ductwork installation fields, offering easy installation and a robust construction.
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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