10" X 10" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] sidewall actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 27 5/8" width X 12 5/8" height

+ Product Details Size - 20"w X 16"h is the size for the duct opening measurement only

creating a quiet and efficient environment

actual front end outer dimensions are approximately 35

padding: 14px 14px

10" X 10" [Duct Opening] 1 Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] sidewall actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 27 5 8" width X 12 5 8" height + Product Details Size 20"w X 16"h is the size for the duct opening measurement only