6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 1-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] 14" Diameter making it the perfect companion 4 X 12 Is CRFG2028 Width_14in

making it the perfect companion for all your tools

875" width X 25

+ Product Details Size & Compatibility – The galvanized sheet metal oval stack head is compatible with Duct 7"

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 28" or 28" x 8" duct opening (measured at the opening)

6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 1 Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] 14" Diameter making it the perfect companion 4 X 12 Is CRFG2028 Width_14in making it the perfect companion for all your tools 875" width X 25