12" X 18" Or 18" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 19.75] 14" Diameter Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

and we’ve help numerous contractors

actual front end outer dimensions are approximately 38 5/8" width X 26 5/8" height -

Crafted meticulously from high-quality steel

Smooth Surface Edges - Run Your Fingers Across The Surface To Feel The Smoothness

12" X 18" Or 18" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 19.75] 14" Diameter Actual Filter Size – 33+ Product Details Size 12"w X 18"h or 18" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 19. 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