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 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 exhaust end of 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. Features UL Listed to Meet Most Code Requirments Can be used in 4" Frame Walls For Use with the HiFlo and HiFlo Lite Wall Duct Boxes Excellent Flexibilty and Airflow General Specifications Dimensions: 3" (7.6cm) Inside Diameter & 10' (3m) in Length Compatibility: Wall Duct Boxes - 4x4 & 4x8 Notes. Ensure to follow all code requirements and consult with HVAC or general contractors on your project to ensure that your work will pass inspections.
Features
General Specifications Dimensions: 3" (7.6cm) Inside Diameter & 10' (3m) in Length Compatibility: Wall Duct Boxes - 4x4 & 4x8 Notes. Ensure to follow all code requirements and consult with HVAC or general contractors on your project to ensure that your work will pass inspections.
General Specifications
