6" x 6" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 9" x 9"] Aluminum - Cube Core actual front end outer dimensions LO246 Product Details Size 32 Compatible with Duct 4"

actual front end outer dimensions are approximately 28 5/8" width X 8 5/8" height

+ Product Details Size – 26"w X 22"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 17 3/4" x 1"

The integral design allows you to easily adjust the curved blades

6" x 6" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever Operated Damper for Air Flow Control [Outer Dimensions: 9" x 9"] Aluminum Cube Core actual front end outer dimensions LO246 Product Details Size 32 Compatible with Duct 4" actual front end outer dimensions are approximately 28 5 8" width X 8 5 8" height + Product Details Size – 26"w X 22"h is the size for the duct opening measurement only