16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18" Round Duct Pipe Elevate your living space with

Elevate your living space with this sophisticated addition

and waste gases transmission lines

The 1/2" white insulation

High Quality – Solid rigid steel body for durability and reliability

16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18" Round Duct Pipe Elevate your living space with+ 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