6" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 6" Diameter screws same color as vent

screws same color as vent cover

actual front end outer dimensions are approximately 21" width X 21" height

such as HVAC systems

The total outer size of this grille is the listed size plus plus 2 and 5/8"

6" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 6" Diameter screws same color as vent+ 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 6. 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