12" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 30 5/8"] Aluminum - Cube Core + Product Details Size –

+ Product Details Size – 16"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 2"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 10 5/8" width X 34 5/8" height

Actual Filter Size – 13 3/4"w x 29 3/4" x 1"

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

12" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 30 5/8"] Aluminum - Cube Core + Product Details Size –+ Product Details Size 12"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 30 5 8" height Actual Filter Size 11 3 4"w x 27 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter