4" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_R-4.2 Yellow Refrigerant - 1/2" White Insulation

Refrigerant - 1/2" White Insulation - 50' Long

& EN 13180 standards

which the interior PET provides

as the multidirectional design ensures consistent temperature control

1/2” - 3119 PSI

4" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_R-4.2 Yellow Refrigerant - 1/2" White Insulation+ 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