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 actual front end outer dimensions Suitable for all AC 8in diameter 12125SDCLNGBX

actual front end outer dimensions are approximately 36 5/8" width X 32 5/8" height

875" width X 25

+ Product Details Size - 28"w X 20"h X 2"d (for duct opening measurement only)

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

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 actual front end outer dimensions Suitable for all AC 8in diameter 12125SDCLNGBX actual front end outer dimensions are approximately 36 5 8" width X 32 5 8" height 875" width X 25