14" X 30" or 30" x 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 31.75] 6in diameter + Product Details 18" x

+ Product Details 18" x 12" x 1" replacement air filters for your furnace

+ Product Details Size - 24"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size – 20" x 34" or 34" x 20" is the size for the duct opening measurement only

+ Product Details Size - 20"w X 18"h X 2"d (for duct opening measurement only)

Applications – The product is used for stopping all types of fittings and also used to terminate a rectangular duct run in an HVAC application with a rectangular duct cap

14" X 30" or 30" x 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 31.75] 6in diameter + Product Details 18" x+ 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