16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18" Round Duct Pipe and its seamless drop-in installation

and its seamless drop-in installation process ensures effortless setup

R Value Rating of Insulation - R3

+ Product Spec Sheet Floor Register Spec Sheet

High Quality – Solid rigid steel body for durability and reliability

and matte black

16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18" Round Duct Pipe and its seamless drop-in installation+ 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