16" X 6" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 17.75"W X 7.75"H] 14" Round Duct Pipe With its compact size and 4 X 12 Is CRFG2028 Width_14in

With its compact size and high-quality materials

this 4-way air vent diffuser allows you to precisely control airflow

+ Product Details Size - 25"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are 15

16" X 6" [Duct Opening] 1 Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 17.75"W X 7.75"H] 14" Round Duct Pipe With its compact size and 4 X 12 Is CRFG2028 Width_14in With its compact size and high quality materials this 4 way air vent diffuser allows you to precisely control airflow