26" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 12 5/8"] Return /* more readable bullets */

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+ Product Details Size - 34"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 18 5/8" height

actual front end outer dimensions are approximately 20 5/8" width X 32 5/8" height -

actual front end outer dimensions are approximately 10 5/8" width X 30 5/8" height

26" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 12 5/8"] Return /* more readable bullets */+ Product Details Size 26"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 12 5 8" height Actual Filter Size 25 3 4"w x 9 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. Our