2" X 12" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - White 18in diameter only measure the "hole" in

only measure the "hole" in the wall/duct

+ Product Details Size – 30"w X 8"h is the size for the duct opening measurement only

including Ductless Mini-Split

You may think of grilles and registers as a generic component of the ventilation system in your house

But they are also the most visible representation of you air system

2" X 12" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - White 18in diameter only measure the "hole" in+ Product Details Size 2"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 3. 5" X 13. 5" wider. 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 waxed. Quality Packaging Carefully shrink wrapped with cardboard backing to prevent damage