4" X 10" or 10" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 11.75] 12" Diameter you’ll provide ample protection for

you’ll provide ample protection for your equipment against harmful environmental factors such as

9% Pure Copper)

75" width X 14

order a 14x20 grille

+ Product Details Size & Compatibilty - The 12" to 6" round metal pipe reducer & increaser 30 gauge is compatible with duct 12" to 6"

4" X 10" or 10" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 11.75] 12" Diameter you’ll provide ample protection for+ Product Details Size 4"w X 10"h or 10" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 11. 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