14" X 30" or 30" x 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 31.75] w32h32 If your hole is 14"

If your hole is 14" wide by 20" tall

Our coils have a a very high PSI burst pressure

Actual Filter Size – 23 3/4"w x 17 3/4" x 1"

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 10" duct openings

14" X 30" or 30" x 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 31.75] w32h32 If your hole is 14"+ Product Details Size 14"w X 30"h or 30" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 31. 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