The Lambro flexible semi-rigid 4 inch x 8 foot duct is ideal for general purpose venting applications including bathroom fan and kitchen range hood exhausting. The corrugations throughout the duct prevents collapsing and allows for easily bending the duct when needed. The aluminum is corrosion resistant non-combustible and fire resistant with a maximum operating temperature of 430°F. Check local building codes prior to installation.

• Recommended for bathroom fan, kitchen range hood and general exhausting
• Do not use for clothes dryer exhaust ventilation
• Fire resistant
• Non combustible
• Maximum operating temperature of 430°F
• Corrosion resistant
• Installation clamps sold separately