8" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 25' Feet Long Black Design – Unrestricted airflow for

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

Looks like it was just waxed

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actual front end outer dimensions are approximately 15

How To Measure A Grille

8" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 25' Feet Long Black Design – Unrestricted airflow for+ 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