14"W X 14"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 15.75"H] Filter Grille Elevate your air system today 4 X 12 Is CRFG2028 Width_14in

Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 26"h is the size for the duct opening measurement only

14"W X 14"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 15.75"W X 15.75"H] Filter Grille Elevate your air system today 4 X 12 Is CRFG2028 Width_14in Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment + Product Details Size 10"w X 18"h is the size for the duct opening measurement only