18 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket Metalized polyester jacket reinforced with fiberglass scrim Double-ply black polyester core R-6.0 formaldehyde free insulation UL listed $247.19 $150.79 Add to Cart
18 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 $259.26 $158.15 Add to Cart