12" X 16" or 16" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 17.75] #REF! The door comes with a

The door comes with a convenient turn lock that can be effortlessly rotated using a flat rigid tool

or to regulate it for room-by-room temperature and climate control

+ Product Details Size – Duct end cap is 8" X 4" | 26-gauge galvanized steel end cap

75" width X 33

12" X 16" or 16" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 17.75] #REF! The door comes with a+ Product Details Size 12"w X 16"h or 16" X 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 17. 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