16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Floor Grille we have assisted countless contractors

we have assisted countless contractors

positioning supply and return grills accordingly

this grille boasts a natural warmth and fine finish

Operating temperature from -40°f to +248°f [-40°c to +120°c]

16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Floor Grille we have assisted countless contractors+ 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