12" x 12" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 6" Diameter + Product Details Size -

+ Product Details Size - 6"w X 14"h is the size for the duct opening measurement only

+ Product Description Introducing the 8" Radial Damper – Your Solution for Controlled Airflow

actual front end outer dimensions are approximately 38 5/8" width X 10 5/8" height

actual front end outer dimensions are approximately 20 5/8" width X 22 5/8" height

Actual Filter Size – 23 3/4"w x 11 3/4" x 1"

12" x 12" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 6" Diameter + Product Details Size -+ Product Details Size 12" X 12" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will