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Deflecto Semi-Rigid Flexible Aluminum Duct$13.99
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 ...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.