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The MM Manufacturing 50718 Ductboard Starting Collars with Holes is ideal for air distribution systems. This product is designed for HVAC professionals and ensures a secure connection between ductboard and flexible duct. These starting collars are perfect for various air distribution projects.
Use these starting collars to efficiently connect ductboard to flexible duct in HVAC systems. The 18-inch size and pre-drilled holes make installation straightforward.
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