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This Crown Products 71010 Start Collar with Therma Seal Gasket is designed for easy installation on a rectangular duct. The collar measures ten inches and is ideal for improving duct connection efficiency and reducing air leakage.
Optimize your HVAC system efficiency with Crown Products' advanced sealing technology, which ensures minimal air leakage and enhanced system performance.
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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