Havaco Technologies

Spiral Duct Grille


  • 4" X 12" spiral duct grille for 8" and other corresponding diameter duct
  • Available White or Black ABS Plastic
  • Less conductive than metal (More resistant to "sweating")
  • Won't Rust, Corrode, Discolor, or Fade
  • Features fourteen (14) fixed diffuser fins for equal left, middle, right air dispersion