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Duct Work

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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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Atco #010 R6 Silver Insulation Sleeve for Pipe - 5'
$17.64

Reinforced sleeves for insulating standard sheet metal pipes are constructed of a thick fiberglass i..

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Atco #010 R8 Silver Insulation Sleeve for Pipe - 5'
$19.65

Reinforced sleeves for insulating standard sheet metal pipes are constructed of a thick fiberglass i..

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Return Air Box 17 5/8 L X 22 1/16 W X 17 D
$86.08

Heating & Cooling Products 07317220 Return Air Box With 1 x 3 in Angle, 22 in L x 17-5/8 in W x ..

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Return Air Box 21 1/8 L X 22 1/16 W X 17 D
$87.16

Heating & Cooling Products 07321220 Return Air Box With 1 x 3 in Angle, 22-1/16 in L x 21-1/8 in..

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Return Air Box 24 1/16 L X 24 11/16 W X 17 D
$96.31

Heating & Cooling Products 07324220 Return Air Box With 1 x 3 in Angle, 22-1/16 in L x 24-11/16 ..

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