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Couplers

Designed to join two straight duct runs together. GSI couplers are factory sealed so no external sealant is required at this connection and are available in two sizes, 6 and 8 inch to accommodate multiple installation needs. Yellow Union Label manufacturing is standard on these products.

6" Long Coupler

  • GSI Couplers are designed and tested to surpass SMACNA Class 3 Leakage Standards
  • Pre-sealed with gasket made of EPDM rubber and proprietary co-polymer
  • Zero VOCs

8" Long Coupler

  • GSI Couplers are designed and tested to surpass SMACNA Class 3 Leakage Standards*
  • Pre-sealed with gasket made of EPDM rubber and proprietary co-polymer
  • Zero VOCs