Deflecto F0405Msx/30 Supurr-Flex 4-In. Multilayered Flexible Aluminum Duct With

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Made from flexible aluminum tubing;
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UL(R) 2158A for dryer venting;
fire-resistant;
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For use as dryer transition ducting;
can also be used for bathroom, HVAC systems, fresh air intake, non-insulated ventilation, and general-purpose venting;
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Maximum velocity: 5,000 FPM;
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Operating temperature range: 0deg F to 265deg F, intermittent;
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Includes 2 metal spring-tension clamps ;
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5 ft.;