20" X 26" Or 26" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 27.75] 3-Pack + Product Details Size &

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 12" X 6" X 7"

We always strive to choose high-quality materials and provide the most intimate service

+ Product Details Size - 4"w X 34"h is the size for the duct opening measurement only

Equipped with a lever for easy airflow adjustment and dampening

For 12" duct opening

20" X 26" Or 26" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 27.75] 3-Pack + Product Details Size &+ Product Details Size 20"w X 26"h or 26" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" width X 27. 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