14"W X 6"H [Duct Opening] Never Rust Plastic 2-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 7.75"H] 16" Diameter This versatile diffuser is adaptable

This versatile diffuser is adaptable to various airflow needs

+ Product Details Size - 26"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 34"w X 16"h is the size for the duct opening measurement only

75"H – fits a 16" X 8" duct opening

+ Product Details Size – 10"w X 10"h is the size for the duct opening measurement only

14"W X 6"H [Duct Opening] Never Rust Plastic 2-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 7.75"H] 16" Diameter This versatile diffuser is adaptable+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 7. 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