14"W X 8"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 9.75"H] Compatible with Duct 10" If your duct opening is

If your duct opening is 14 inches in diameter

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

actual front end outer dimensions are approximately 30 5/8" width X 10 5/8" height

14"W X 8"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 9.75"H] Compatible with Duct 10" If your duct opening is+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 9. 75" height. Design Rigid gauge ABS plastic. Rigid gauge built for durability and long life in mind, but still light and handy. Powder coat finish. Smooth, scratch resistant, beautiful. Looks like new after years of use. Screws Included High Quality High quality ABS plastic will never rust, no sharp