18" X 18" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 19.75 X 19.75] Compatible With Duct 8in + Product Details Size -

+ Product Details Size - 18"w X 8"h X 2"d (for duct opening measurement only)

Crafted from heavy-duty reinforced steel

Applications – 2 Gauge thick & made of thick & durable galvanized sheet metal - used for HVAC system duct work in any building or home including: round exhaust air duct systems for dryers

actual front end outer dimensions are approximately 7" width X 7" height -

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

18" X 18" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 19.75 X 19.75] Compatible With Duct 8in + Product Details Size -+ 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