8" RADIAL DAMPER - Control Your Airflow on drop ceiling grilles (8" round duct opening) 18in diameter High Quality – High-quality aluminum

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

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75" width X 11

75" width X 13

8" RADIAL DAMPER - Control Your Airflow on drop ceiling grilles (8" round duct opening) 18in diameter High Quality – High-quality aluminum+ Product Details Size 8" round duct opening Heavy Gauge Steel Heavier gauge than needed, built for durability and long life in mind, but still very thin. Installation Easy to Install. Design This airflow control component are made to connect to HVAC diffuser and restrict airflow. + Product Description Introducing the 8" Radial Damper Your Solution for Controlled Airflow Experience enhanced indoor comfort with our 8" Radial Damper. Designed to