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25 ft. R-8 Insulated Round Flexible Duct - 8" Silver Jacket
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25 ft. R-4.2 Insulated Round Flexible Duct - Black or Silver Jacket
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25 ft. R-6 Insulated Round Flexible Duct - Black or Silver Jacket
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Insulated Flexible
25 ft. R-8 Insulated Round Flexible Duct - Black or Silver Jacket
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