8" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 9.75] Compatible with Duct 4" See our separate listing for

See our separate listing for Butterfly Dmaper to Control Airflow

+ Product Details Size - 18"w X 12"h X 2"d (for duct opening measurement only)

+ Product Details Size – 16"w X 36"h is the size for the duct opening measurement only

fits securely onto standard 5/8 in

Actual Front End Outer Dimensions Are 10" Diameter

8" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 9.75] Compatible with Duct 4" See our separate listing for+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" width X 9. 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 wrapped