12" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Sheet Metal actual front end outer dimensions

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height

+ Product Details Size - 30"w X 18"h X 2"d (for duct opening measurement only)

Filter Size - 7

and sound level range of NC 25 to 35

6"w X 6"h 3-Way Fixed Curved Blade Air Supply Diffuser - Vent Duct Cover - Grille Register - Sidewall or Cieling - High Airflow - White

12" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Sheet Metal actual front end outer dimensions+ 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