6" X 10" Or 10" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 11.75] Round Pipe actual front end outer dimensions

actual front end outer dimensions are 37

+ Product Details Size – 20" x 20" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 28" or 28" x 10" duct opening (measured at the opening)

the ultimate tool for effortless cutting of thin and thick PVC tubing below 36mm in diameter

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 18" duct openings

6" X 10" Or 10" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 11.75] Round Pipe actual front end outer dimensions+ Product Details Size 6"w X 10"h or 10" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 11. 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