14" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 16 5/8" X 27 5/8"] Powder Coated + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size – 12" x 30" or 30" x 12" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height -

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

+ Product Details Size - 14"w X 32"h is the size for the duct opening measurement only

14" X 25" Steel Return Air Filter Grille for 1" Filter Removable Frame Black [Outer Dimensions: 16 5 8" X 27 5 8"] Powder Coated + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 12" x 30" or 30" x 12" is the size for the duct opening measurement only actual front end outer dimensions are approximately 16 5 8" width X 10 5 8" height