Products
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6″ Long Press-on Collar
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3″ Long Tabbed Collar
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6″ Long Tabbed Start Collar
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3″ Long Spin-in Collar
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6″ Long Spin-in Collar
Duct Collars
GSI’s most cost-effective factory sealed fittings for beginning a new duct run from the trunk line. This HVAC duct collar product line is available in three installation styles, including press-on collars, tabbed collars, and spin-in collars, as well as multiple lengths (3" and 6") to suit virtually every installation need or budget. Yellow Union Label manufacturing is standard on these duct collar products.