6"W X 6"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] 14in diameter + Product Details Size -

+ Product Details Size - 24"w X 36"h is the size for the duct opening measurement only

if your hole is 20" wide by 14" tall

at predicted low air motion 35 fpm in the zone of occupancy

+ Product Details Size – 18" Wooden Corner Baseboard Grille

+ Product Details Size - 30"w X 18"h X 2"d (for duct opening measurement only)

6"W X 6"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] 14in diameter + Product Details Size -+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are 7. 75" width X 7. 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. Carefully