22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille 14" Diameter + Product Details Size - Suitable for all AC 8in diameter 12125SDCLNGBX

+ Product Details Size - 26"w X 24"h is the size for the duct opening measurement only

Ring Base Design – Allows for easy installation without removing the thermostat

The total outer size of this grille is the listed size plus 2 and 5/8"

+ Product Details Size - 20"w X 22"h X 2"d (for duct opening measurement only)

22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille 14" Diameter + Product Details Size Suitable for all AC 8in diameter 12125SDCLNGBX + Product Details Size 26"w X 24"h is the size for the duct opening measurement only Ring Base Design – Allows for easy installation without removing the thermostat