8" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Black providing a stylish and practical

providing a stylish and practical solution for ventilation

will change the appearance of the entire room

+ Product Details Size - 18"w X 18"h is the size for the duct opening measurement only

1/2" White insulation will give you a good R value of 3

8" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Black providing a stylish and practical+ 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 8. 0 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