16" X 18" or 18" x 16" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 17.75 X 19.75] Brown as the fitting has an

as the fitting has an opening of 1/2"

Actual Front End Outer Dimensions Are 12" Width X 5" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

the kit features pre-flared ends with nuts

10"w X 3"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 8"w X 14"h or 14" x 8" is the size for the duct opening measurement only

16" X 18" or 18" x 16" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 17.75 X 19.75] Brown as the fitting has an+ Product Details Size 16"w X 18"h or 18" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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