10"W X 8"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 11.75"W X 9.75"H] d + Product Details Size –

+ Product Details Size – 18"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 4"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 26"h is the size for the duct opening measurement only

Smooth Powder Coat Finish: The grill boasts a sleek and smooth powder coat finish that not only adds a touch of elegance to your surroundings but also enhances its resistance against wear and tear

actual front end outer dimensions are approximately 30 5/8" width X 16 5/8" height -

10"W X 8"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 11.75"W X 9.75"H] d + Product Details Size –+ Product Details Size 10"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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