This 3" (7.6cm) flexible duct tubing is UL listed and is constructed of heavy mil black PVC. It is intended for use in conjunction with the Wall Duct Boxes - the 4x8 and 4x4 boxes that are for use with the HiFlo and HiFlo Lite Fan Units. This tubing will connect to the exhaust end of the rough-in box and carry the heated air inside the walls or ceiling to vent to another area in the home.
When using ducting, ensure to use a high quality HVAC sealing tape (not duct tape) to ensure there is no air leakage.
Dimensions: 3" (7.6cm) Inside Diameter & 10' (3m) in Length
Compatibility: Wall Duct Boxes - 4x4 & 4x8
RRP $75.35 incl gst