Duct Run Couplers | GreenSeam

Duct run couplers are designed to join two straight duct runs together. GSI duct run couplers are factory-sealed, meaning no external sealant is required at the connection. Our couplers are available in two sizes, 6" and 8", to accommodate multiple installation needs. Yellow Union Label manufacturing is standard on these coupler products.

6″ Long Coupler
8″ Long Coupler

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6″ Long Coupler

8″ Long Coupler