18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil Design – Rigid gauge built

Design – Rigid gauge built for durability and long life in mind

this flex duct decreases the pressure loss and provides a more hygienic environment

7/8" Insulated Copper Coil Line - Seamless Pipe Tube for HVAC

R Value Rating of Insulation - R3

18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil Design – Rigid gauge built+ 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