12" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Brown and centralized air ducted units

and centralized air ducted units

5" - SEE BELOW IN DESCRIPTION How To Measure A Grille

Multi Angled Fan Pattern Fins For Multi Directional AIr Distribution Throughout The Entire Room

Crafted meticulously from high-quality steel

12" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Brown and centralized air ducted units+ 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