In-Line Sleeve Dampers

When additional air balancing is required, GSI’s in-line sleeve damper has been specifically engineered to work with our GreenSeam Plus pipe. Providing the best way to keep the system factory sealed and add supplemental system air balancing. Yellow Union Label manufacturing is standard on these products.

6" In-Line Sleeve Damper

  • GSI Sleeved Dampers 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