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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.
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Highly flexible aluminum foil duct ideal for tight spaces and easy routing in ventilation systems
Made with all-aluminum construction to meet building code requirements for safe installation
Operates safely between -86°F and 250°F for versatile use in various exhaust applications
Resists tearing and puncturing to ensure long-lasting performance in demanding environments
Lightweight and easy to handle, making installation quicker and less labor-intensive