18"W X 18"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 19.75"W X 19.75"H] w16h16 Quality Packaging – carefully shrink

Quality Packaging – carefully shrink wrapped with cardboard backing to prevent damage in shipment

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

Installation Location – Sidewall or ceiling

+ Product Details Size – 24"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 24"w X 32"h is the size for the duct opening measurement only

18"W X 18"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 19.75"W X 19.75"H] w16h16 Quality Packaging – carefully shrink+ Product Details Size 18"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are 19. 75" width X 19. 75" height. Design Individually adjusting curved blades for better air flow control. Screws Included High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a luxurious touch to any home.