8" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 10 5/8" X 24 5/8"] Color_White The total outer size of

The total outer size of this grille is the listed size plus 1

+ Product Details Size – 6"w X 10"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 15 3/4" x 1"

Its linear bar design maximizes ventilation

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 24" OR 24" x 18" duct opening (measured at the opening)

8" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 10 5/8" X 24 5/8"] Color_White The total outer size of+ Product Details Size 18"w X 22"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 24 5 8" height Actual Filter Size 17 3 4"w x 21 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on