10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] 3-Way or 4-Way the actual front end outer 4 X 12 Is CRFG2028 Width_14in

the actual front end outer dimensions are 10" in diameter

Anti-vibration mounts are also included to enhance the overall stability of your air conditioning system

Enhanced Filtration: Our filters are 25% thicker than competitors'

actual front end outer dimensions are approximately 10 5/8" width X 26 5/8" height

you can quickly adjust airflow for year-round comfort

10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3 Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] 3 Way or 4 Way the actual front end outer 4 X 12 Is CRFG2028 Width_14in the actual front end outer dimensions are 10" in diameter Anti vibration mounts are also included to enhance the overall stability of your air conditioning system