16" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 18 5/8" X 27 5/8"] w26h26 but still very thin

but still very thin

background: #f8f9fb

actual front end outer dimensions are approximately 18 5/8" width X 8 5/8" height -

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

+ Product Details Size – 25"w X 24"h is the size for the duct opening measurement only

16" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 18 5/8" X 27 5/8"] w26h26 but still very thin+ Product Details Size 16"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 27 5 8" height Actual Filter Size 15 3 4"w x 24 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.