Lambro's 4 in. x 25 ft. flexible aluminum/aluminum foil flex duct is ideal for applications where building codes require use of all aluminum duct. The duct has a maximum operating temperature of 250°F. Ideal installations include bathroom fan venting and general exhaust applications. This duct is not to be used when venting a dryer, as a UL2158A transition duct is required for that application.

Features

• Highly flexible
• Installer friendly
• Uninsulated
• Operating temperature range: -86°F to 250°F
• Resists tearing and puncturing