12" X 18" Or 18" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 19.75] tools and centralized air ducted units

and centralized air ducted units

+ Product Details Size - 26"w X 28"h is the size for the duct opening measurement only

crafted from high-quality galvanized sheet metal for unparalleled durability and rust prevention

+ Product Details 16" x 20" x 1" replacement air filters for your furnace

+ Product Details Size - 24"w X 16"h X 2"d (for duct opening measurement only)

12" X 18" Or 18" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 19.75] tools and centralized air ducted units+ 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