Speedi-Grille SG-1210 RAG White Return Air Grille 12-Inch by 10-Inch (Actual: 13.5-Inch by 11.5-Inch) Speedi-Grille is made in the USA Stamped 1/2-Inch fan shaped louvers Louvers are parallel to longest side.Solid steel construction Soft white paintable powder coat finish. Inner dimension measures 12 inch by 14 inch. The Product Dimensions under the Technical Details should be changed to 0.25 x 13.5 x 11.5 inches