24" X 30" or 30" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 31.75] 10" Diameter featuring a 3/8 inch space

featuring a 3/8 inch space between louvers

75"H – fits a 16" X 10" duct opening

+ Product Details Size – 25"w X 20"h is the size for the duct opening measurement only

7/8" Insulated Copper Coil Line - Seamless Pipe Tube for HVAC

+ Product Details Size – 6" round duct opening-

24" X 30" or 30" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 31.75] 10" Diameter featuring a 3/8 inch space+ Product Details Size 24"w X 30"h or 30" X 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 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