20" X 24" Or 24" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille- Brown [Outer Dimensions: 21.75 X 25.75] 4" Round Duct Pipe max-width: 1100px

max-width: 1100px

Its practical design facilitates easy installations

Applications – Suitable for cutting (thick & thin) PVC tubing diameter below 36mm - Uses ratcheting design for effortless cutting

actual front end outer dimensions are approximately 21

Looks like new after years of use

20" X 24" Or 24" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille- Brown [Outer Dimensions: 21.75 X 25.75] 4" Round Duct Pipe max-width: 1100px+ Product Details Size 20"w X 24"h or 24" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 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