This 4 inch diameter semi-rigid air duct is suitable for general air handling applications like exhaust venting, bathroom venting, range hoods, suspended ceilings and more. The metallic duct can be extended up to 8 feet in length and can be cut to size for specific venting applications. The semi-rigid transition duct is fire-resistant and it won't collapse, sag or bunch up. Flexible enough for easy installation.
Be sure to clean ducts over time for optimal appliance performance
For multiple uses dryer, bathroom or kitchen venting
Semi-rigid but flexible for easy installation
Fire resistant and non-crimped
Can be cut to length of specific venting application