8" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover [Outer Dimensions: 10"] w16h16 Incorporated with Integral Butterfly Damper Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Incorporated with Integral Butterfly Damper for full Airflow Control

actual front end outer dimensions are approximately 22 5/8" width X 26 5/8" height

+ Product Details Size – 12" x 30" or 30" x 12" is the size for the duct opening measurement only

+ Product Details Size - 32"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 6"w X 4"h is the size for the duct opening measurement only

8" Circular Round Aluminum HVAC Supply Grille Air Diffuser With Butterfly Damper Vent Duct Cover [Outer Dimensions: 10"] w16h16 Incorporated with Integral Butterfly Damper Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Incorporated with Integral Butterfly Damper for full Airflow Control actual front end outer dimensions are approximately 22 5 8" width X 26 5 8" height