6" X 12" or 12" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 13.75] tape The aluminum and gypsum construction

The aluminum and gypsum construction makes it impervious to moisture

+ Product Details Size - 12"w X 26"h is the size for the duct opening measurement only

Removable core for access to optional damper

actual front end outer dimensions are 21" Width X 21" Height

6" X 12" or 12" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 13.75] tape The aluminum and gypsum construction+ Product Details Size 6"w X 12"h or 12" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 14. 75" height. High Quality High grade steel construction meant for high foot traffic areas. Installation Location Floor. Design Easy drop in installation. Powder Coat Finish Smooth, shiny, scratch resistant, with no sharp edges. Looks like it was just waxed. Quality Packaging Carefully