20" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 21.75] Color_Red Oak Wood 5mm and 5x2

5mm and 5x2

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+ Product Details Size & Compatibility – The 5" galvanized sheet metal round to oval elbow boot is compatible with duct 5"

actual front end outer dimensions are approximately 18

Actual Filter Size – 33 3/4"w x 21 3/4" x 1"

20" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 21.75] Color_Red Oak Wood 5mm and 5x2+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 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 shrink