8" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 10' Feet Long Sheet Metal / Round Duct Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 6" duct openings

Built-in tumbler lock and key is provided

actual front end outer dimensions are approximately 32 5/8" width X 22 5/8" height -

designed for optimal airflow and efficiency

8" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 10' Feet Long Sheet Metal / Round Duct Ideal for Walls & Ceilings:+ Product Details High Quality Aluminum housing on the outside and on the inside for the best insulation value 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 metallized polyester jacket tear and puncture resistant Carefully Shrink Wrapped With