14" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 16 5/8" X 26 5/8"] Material_Aluminum Its removable face allows hassle-free Compatible with Duct 4" Product Details Size 32 LO246

Its removable face allows hassle-free cleaning

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 25" OR 25" x 20" duct opening (measured at the opening)

+ How To Measure A Grille Overall Size:

+ Product Details Size - 16"w X 24"h is the size for the duct opening measurement only

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

14" X 24" Steel Return Air Filter Grille for 1" Filter Removable Frame Black [Outer Dimensions: 16 5 8" X 26 5 8"] Material_Aluminum Its removable face allows hassle free Compatible with Duct 4" Product Details Size 32 LO246 Its removable face allows hassle free cleaning + Product Details Perfect Fit & Easy Sizing Designed for a 20" x 25" OR 25" x 20" duct opening (measured at the opening)