14"W X 8"H [Duct Opening] Never Rust Plastic 2-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 9.75"H] Copper Coil-Insulated Line Set Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 4" duct openings

actual front end outer dimensions are approximately 28 5/8" width X 34 5/8" height

+ Product Details Size - 18"w X 24"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 27 5/8" width X 30 5/8" height

75"H – fits a 24" X 4" duct opening

14"W X 8"H [Duct Opening] Never Rust Plastic 2-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 9.75"H] Copper Coil-Insulated Line Set Ideal for Walls & Ceilings:+ 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