14"W X 8"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 15.6"W X 9.6"H] w28h28 /* Adding space between bullet

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+ How To Measure A Round Vent Overall Size:

75" width X 21

85" width X 7

75" width X 19

14"W X 8"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 15.6"W X 9.6"H] w28h28 /* Adding space between bullet+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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,