Clear Plastic Designer Thermostat Cover- Solid and Ring Bases - 7-1/16" W x 4-1/8" H x2 1/8"D Color_Aluminum + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX

+ Product Details Size – 25"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height

For a visual guide on how to measure your vent hole before ordering a grille

The installation process is a breeze

Clear Plastic Designer Thermostat Cover Solid and Ring Bases 7 1 16" W x 4 1 8" H x2 1 8"D Color_Aluminum + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX + Product Details Size – 25"w X 30"h is the size for the duct opening measurement only actual front end outer dimensions are approximately 22 5 8" width X 12 5 8" height