7" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil-Insulated Line Set but you will appreciate the

but you will appreciate the benefits over the period of time

Premium Plated Finish and Modern Contempo Design Forming a Luxurious Piece

Pressure rating: 2300 to 6500 psi

accordion dd { margin: 0 0 20px 30px

7" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil-Insulated Line Set but you will appreciate the+ Product Details High Quality Aluminum housing on the outside and on the inside for the best insulation value Insulation A thick blanket of fiberglass insulation provides you with an R Value of 4. 2 Energy Efficient Air tight inner core decreases the pressure loss and provides a more hygienic environment high energy efficient No fiberglass erosion into air stream Design Designed to withstand bends and sharp turns without kinking. Tough reinforced