12" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 18 5/8"] Adjustable Return + Product Details Perfect Fit w6h6 actual front end outer MFFG410-1

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 25" OR 25" X 16" duct opening (measured at the opening)

this piece is the perfect touch of class you need to add to your decor

+ Product Details Size - 24"w X 28"h is the size for the duct opening measurement only

making it a reliable choice for improving indoor air quality

12" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 14 5 8" X 18 5 8"] Adjustable Return + Product Details Perfect Fit w6h6 actual front end outer MFFG410 1 + Product Details Perfect Fit & Easy Sizing Designed for a 16" x 25" OR 25" X 16" duct opening (measured at the opening) this piece is the perfect touch of class you need to add to your decor