14" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18in diameter Every grille has a front

Every grille has a front end frame

customize cuts and flares as needed

Solid Rigid Steel Body For Durability and Reliability

built for durability and long life in mind

14" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18in diameter Every grille has a front+ 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