34" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door 170BL 25X16 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 18" Or 18" x 34" duct opening (measured at the opening)

+ Product Details Size – The size of 10" straight saddle stick on take-off is 10" and it is compatible with duct 10"

+ Product Details Size - 22"w X 32"h is the size for the duct opening measurement only

+ Product Details Size – Duct end cap is 10" X 4" | 26-gauge galvanized steel end cap

actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height -

34" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door 170BL 25X16 + Product Details Perfect Fit+ Product Details Size 34"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 27 5 8" height Actual Filter Size 33 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.