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 + Product Details Size – Compatible with Duct 4" Product Details Size 32 LO246

+ Product Details Size – 30" x 32" or 32" x 30" is the size for the duct opening measurement only

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

For 14" Round Duct Opening - Spiral or Flex

if (close) { close

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

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 + Product Details Size – Compatible with Duct 4" Product Details Size 32 LO246 + Product Details Size – 30" x 32" or 32" x 30" is the size for the duct opening measurement only + Product Details Size – 26"w X 22"h is the size for the duct opening measurement only