12" X 6" [Duct Opening] 2-Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] Powder-Coated + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX

+ Product Details Size – 10"w X 4"h is the size for the duct opening measurement only

+ Product Details Size – 12" X 2" is the size for the duct opening (floor/vent hole) measurement only

Carefully packaged to prevent damage during shipment

+ Product Details Size - 12"w X 20"h is the size for the duct opening measurement only

12" X 6" [Duct Opening] 2 Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] Powder Coated + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX + Product Details Size – 10"w X 4"h is the size for the duct opening measurement only + Product Details Size – 12" X 2" is the size for the duct opening (floor vent hole) measurement only