24" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 26 5/8"] Copper Coil + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 24" or 24" x 12" duct opening (measured at the opening)

designed for superior airflow (up to 95%) and easy filter access

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

+ Product Description Introducing the 3-coned supply grille for a T-bar lay-in

actual front end outer dimensions are approximately 32 5/8" width X 16 5/8" height

24" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 26 5/8"] Copper Coil + Product Details Perfect Fit+ Product Details Size 24"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 26 5 8" height Actual Filter Size 23 3 4"w x 23 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.