Insulated Flexible
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25 ft. R-4.2 Insulated Round Flexible Duct
$22.14
Flexible Air Duct, Series: Residential F118, 4-18 in Inside Dia, 25 ft Length, 5000 fpm, -20 to 140 ..
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25 ft. R-6 Insulated Round Flexible Duct
$25.88
Features:Black polyethylene jacketDouble-ply, black polyester core 12 in W.C. positive, 3/4 in W.C. ..
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25 ft. R-8 Insulated Round Flexible Duct
$35.83
Flexible Technologies Flexible Air Duct, Series: Residential F118, 4-18 in Inside Dia, 25 ft Length,..
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4" Round Flexible R6 Insulated Duct (4in x 25ft)
$39.79
Length: 4" X 25' R6 Insulated, flexible ductUseful for attaching supply lines to rigid ducting..
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