18" X 18" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 19.75 X 19.75] Compatible With Duct 8in Whether it's a 45° or

Whether it's a 45° or 95° degree angle

Crafted from heavy-duty reinforced steel

This 12" X 12" end cap is constructed with 26-gauge galvanized steel

actual front end outer dimensions are approximately 14 5/8" width X 28 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 30" OR 30" x 22" duct opening (measured at the opening)

18" X 18" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 19.75 X 19.75] Compatible With Duct 8in Whether it's a 45° or+ Product Details Size 18"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 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 shrink