4" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length White actual front end outer dimensions

actual front end outer dimensions are approximately 4

Its removable face allows hassle-free cleaning

allow you to customize airflow direction with ease

100% Satisfaction Guaranteed

Suitable for all AC applications

4" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length White actual front end outer dimensions+ 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