5" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length rg1010 75" width X 37

75" width X 37

Ring Base Design – Allows for easy installation without removing the thermostat

Filter Size - 27

This versatile guard features air circulating ports on all four sides to allow proper airflow

this robust access door ensures security with its tumbler lock mechanism

5" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length rg1010 75" width X 37+ 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