Lambro 310Dl 8-Ft. Flexible Aluminum Semi-Rigid Double-Lock Air Duct (8 In. Diam

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Double lock is an airtight and leakproof seam;
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Recommended for bathroom fan, kitchen range hood, and general exhausting;
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Do not use for clothes dryer installations (UL(R) 2158A duct must be used);
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Excellent strength and flexibility;
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Minimum bend radius to the center line is 1 diameter;
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Easily cut to size and hand-formed;
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Aluminum is corrosion-resistant;
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Non-combustible;
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Flame-resistant;
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Maximum operating temperature of 430deg F;
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Installation clamps not included;