4" X 8" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 5.5 X 9.5] - Light Grey w22h22 + Product Details Size -

+ Product Details Size - 14"w X 8"h Is The Size For The Duct Opening Measurement Only

Pressure Rating – 2300 to 6500 PSI

+ Product Details Size - 18"w X 28"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 22" or 22" x 8" duct opening (measured at the opening)

Unlike other covers

4" X 8" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 5.5 X 9.5] - Light Grey w22h22 + Product Details Size -+ Product Details Size 4"w X 8"h or 8"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" X 9. 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 waxed.