8"W X 8"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 9.6"W X 9.6"H] 14in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 30 5/8" width X 18 5/8" height

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

+ Product Details Size – 26"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

+ Product Details Size - 12"w X 12"h is the size for the duct opening measurement only

8"W X 8"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 9.6"W X 9.6"H] 14in 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 approximately 9. 6" width X 9. 6" height. Design Full Control Vertical Horizontal Air flow Direction. Horizontal blades in the front, Vertical blades in the back, both individually adjustable. High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant,