6" X 20" Or 20" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 21.75] Compatible with Duct 7" actual front end outer dimensions

actual front end outer dimensions are approximately 38 5/8" width X 14 5/8" height -

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+ Product Details Size – Duct end cap is 10" X 8" | 26-gauge galvanized steel end cap

Design – The duct board snap collar is used to start runs of flexible or rigid HVAC ducting

6" X 20" Or 20" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 21.75] Compatible with Duct 7" actual front end outer dimensions+ Product Details Size 6"w X 20"h or 20" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 21. 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