12"W X 8"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 13.75"W X 9.75"H] Stick on Side Take Off PRACTICAL DESIGN - The rectangular

PRACTICAL DESIGN - The rectangular end cap is designed to terminate a main trunk duct run

+ Product Details Size - 36"w X 36"h is the size for the duct opening measurement only

Made of Galvanized Metal To Prevent Corrosion and Oxidation & Rust From Water & Moisture That Lasts Longer Requiring Less Maintenance – Save Money With This Energy Efficient Material Maximizes Airflow And Reduces Fire Hazards

PROTECTION - Provides the ultimate defense against any kind of weather

actual front end outer dimensions are approximately 10 5/8" width X 26 5/8" height

12"W X 8"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 13.75"W X 9.75"H] Stick on Side Take Off PRACTICAL DESIGN - The rectangular+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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