5" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Aluminum - Cube Core LONG LASTING - Replaceable SK5

LONG LASTING - Replaceable SK5 Alloy

High Quality – Heavy-gauge all-steel construction

Installing a collar is the first step when installing the system of ducts

actual front end outer dimensions are 11" Width X 11" Height

Actual Front End Outer Dimensions Are 14" Width X 5" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

5" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Aluminum - Cube Core LONG LASTING - Replaceable SK5+ 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