12" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Return Grille improves airflow

improves airflow

12" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

toggle('open')

12" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Return Grille improves airflow+ 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