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] 3-Way or 4-Way Performance – High diffusion induction

Performance – High diffusion induction rates result in rapid temperature and velocity equalization of the mixed air mass well above the zone of occupancy

Actual Filter Size – 25 3/4"w x 5 3/4" x 1"

Measure the size of the air duct/drywall opening

Actual Filter Size – 33 3/4"w x 9 3/4" x 1"

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] 3-Way or 4-Way Performance – High diffusion induction+ 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