6" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 10' Feet Long Line Covers Filter Size - 21

Filter Size - 21

Location – Sidewall and ceiling

Crafted from durable ABS plastic

Our manual adjuster/ damper quadrant is made of high-quality galvanized sheet metal with crimped ends (snap-lock design) for easy fitting and secure connection

6" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 10' Feet Long Line Covers Filter Size - 21+ 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