12" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 13.75] 8 Feet Long actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 12 5/8" height -

+ Product Details Size – 10" X 4" is the opening (vent hole) dimension - actual size is approx

our access door offers high durability with superior corrosion and rust protection

Upgrade today for better performance and cleaner air

Actual Filter Size – 11 3/4"w x 13 3/4" x 1"

12" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 13.75] 8 Feet Long actual front end outer dimensions+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 13. 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 shrink