4 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket Metalized polyester jacket reinforced with fiberglass scrim Double-ply black polyester core R-8.0 formaldehyde free insulation UL listed $77.10 $47.03 Add to Cart
6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket Metalized polyester jacket reinforced with fiberglass scrim Double-ply black polyester core R-8.0 formaldehyde free insulation UL listed $97.69 $59.59 Add to Cart
8 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket Metalized polyester jacket reinforced with fiberglass scrim Double-ply black polyester core R-8.0 formaldehyde free insulation UL listed $119.35 $72.80 Add to Cart
10 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket Metalized polyester jacket reinforced with fiberglass scrim Double-ply black polyester core R-8.0 formaldehyde free insulation UL listed $150.12 $91.57 Add to Cart
12 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket Metalized polyester jacket reinforced with fiberglass scrim Double-ply black polyester core R-8.0 formaldehyde free insulation UL listed $178.62 $108.96 Add to Cart
14 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket Metalized polyester jacket reinforced with fiberglass scrim Double-ply black polyester core R-8.0 formaldehyde free insulation UL listed $204.30 $124.62 Add to Cart