12" X 12" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w36h36 this diffuser is the perfect Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

this diffuser is the perfect blend of function and style for your home

+ Product Details Size - 16"w X 14"h is the size for the duct opening measurement only

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Elevate comfort while saving on bills with HVAC Premium's Aluminum Adjustable Return Grill

10"w X 4"h Is The Size For The Duct Opening Measurement Only

12" X 12" [Duct Opening] 2 Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w36h36 this diffuser is the perfect Compatible With Duct 7in Applications This sheet metal DDAG A 1212 this diffuser is the perfect blend of function and style for your home + Product Details Size 16"w X 14"h is the size for the duct opening measurement only