12" X 24" or 24" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 25.75] 14in diameter Highest it can pump: -

Highest it can pump: - 4

+ Product Details Size - 10"w X 34"h X 2"d (for duct opening measurement only)

and ceiling register grilles

Mullions used for sizes over 36" in length

Actual Filter Size – 29 3/4"w x 5 3/4" x 1"

12" X 24" or 24" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 25.75] 14in diameter Highest it can pump: -+ Product Details Size 12"w X 24"h or 24" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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