12" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18" Round Duct Pipe you can't go wrong with

you can't go wrong with this decorative grill

The total outer size of this grille is the listed size plus 1

this piece is the perfect touch of class you need to add to your decor

No Sharp Surface Edges

12" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18" Round Duct Pipe you can't go wrong 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 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