14" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 16 5/8"] fixed bar + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

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

Whether you're restoring an old Victorian or craftsman style home

making it a reliable choice for improving indoor air quality

+ Product Details Size - 28"w X 12"h is the size for the duct opening measurement only

14" X 14" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 16 5 8" X 16 5 8"] fixed bar + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 30"w X 10"h is the size for the duct opening measurement only The total outer size of this grille is the listed size plus plus 2 and 5 8"