6"W X 6"H [Duct Opening] Never Rust Plastic 4-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 7.75"W X 7.75"H] w18h18 Solid Base for Stability –

Solid Base for Stability – Built with a solid base for reliable mounting and stability

pair it with our butterfly dampers

+ Product Details Size – 20" x 28" or 28" x 20" is the size for the duct opening measurement only

and sound level range of NC 25 to 35

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height -

6"W X 6"H [Duct Opening] Never Rust Plastic 4-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 7.75"W X 7.75"H] w18h18 Solid Base for Stability –+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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