6" X 10" OR 10" X 6" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 7.5 X 11.5 ] - Light Grey Aluminum And is classified as Class

And is classified as Class 1 Fire Proof - B1

+ Product Details Size – 36"w X 22"h is the size for the duct opening measurement only

9% Pure Copper)

Our Galvanized Sheet Metal Duct Pipes are built to last

6" X 10" OR 10" X 6" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 7.5 X 11.5 ] - Light Grey Aluminum And is classified as Class+ Product Details Size 6"w X 10"h or 10"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 5" X 11. 5" wider. High Quality Extra Heavy Duty to withstand constant walk on situations. Installation Location Floor. Design Rigid gauge built for durability and long life in mind, but still light and handy. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just