8" RADIAL DAMPER - Control Your Airflow on drop ceiling grilles (8" round duct opening) 8 Feet Long + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 36" OR 36" x 22" duct opening (measured at the opening)

Actual Filter Size – 11 3/4"w x 7 3/4" x 1"

+ Product Details Size - 10"w X 30"h X 2"d (for duct opening measurement only)

[Outer Dimensions: 26

8" RADIAL DAMPER - Control Your Airflow on drop ceiling grilles (8" round duct opening) 8 Feet Long + Product Details Perfect Fit+ 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