24" X 30" or 30" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 31.75] Oval Stack Head actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

+ Product Details Size - 14"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 25 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 12" OR 12" X 18" duct opening (measured at the opening)

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

24" X 30" or 30" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 31.75] Oval Stack Head actual front end outer dimensions+ Product Details Size 24"w X 30"h or 30" X 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 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