Tee Joints

Designed to branch a single duct run into two at a 90-degree angle. GSI tee joints are available in two variations, factory sealed and unsealed. Yellow Union Label manufacturing is standard on these products.

Free Flow Tee Joint

  • GSI Free Flow Tees 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