7" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_R-4.2 Yellow We carry sizes the big

We carry sizes the big box stores don't

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

000 satisfied customers

actual front end outer dimensions are 11

Carefully packaged for protection during shipment

7" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_R-4.2 Yellow We carry sizes the big+ 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