Lambro 498-50 4-In. Ul 2158A Clothes Dryer Foil Flex Transition Duct (50 Ft.)

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UL(R) 2158A certified and listed duct;
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For use with electric or gas clothes dryers;
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Use between clothes dryer exhaust outlet to existing wall pipe which vents to the outside;
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Do not exhaust clothes dryer into chimney, wall, ceiling, or concealed space of a building;
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UL(R) standard does not allow installations lengths longer than 8 ft.;
long length means multiple runs less than 8 ft. can be cut from a single roll;
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Cut duct to length as needed using wire cutters and a knife or scissor;
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Flame-resistant;
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Maximum operating temperature of 257deg F;
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No elbows needed thanks to tight bend radius;
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Installation clamps not included;