6" X 24" or 24" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 25.75] 3" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height

compatible with duct 4" | 10 in a pack - 4 inch diameter pipe – 20 foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal

and the door opens smoothly

+ Product Details Size – 14"w X 12"h is the size for the duct opening measurement only

6" X 24" or 24" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 25.75] 3" Round Duct Pipe actual front end outer dimensions+ Product Details Size 6"w X 24"h or 24" X 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 25. 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