14" X 20" Or 20" X 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 21.75] Compatible with Duct 6" actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 38 5/8" height -

With a 5" diameter for the duct opening measurement

actual front end outer dimensions are approximately 36 5/8" width X 10 5/8" height

+ Product Details Size - 14"w X 8"h Is The Size For The Duct Opening Measurement Only

Actual Filter Size – 24 3/4"w x 35 3/4" x 1"

14" X 20" Or 20" X 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 21.75] Compatible with Duct 6" actual front end outer dimensions+ Product Details Size 14"w X 20"h or 20" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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