3"x4" Radon Fan Coupler

Fan coupler 3 inch by 4inch. 3x4 radon fan rubber coupler. 

  • Stainless steel band, 5/16" nut, multiple colors (upon request)
  • Connect fans to 3 inch PVC to 4" ducted radon vent fans.
  • Connects 4" PVC to 3" ducted radon vent fans



Related Items