8"W X 8"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] 6" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 28 5/8" height

Actual Filter Size – 7 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are approximately 18 5/8" width X 34 5/8" height

The included eight-tumbler lock and supplied key provide secure access

8"W X 8"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] 6" Diameter actual front end outer dimensions+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 9. 75" width X 9. 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