24" X 24" Return Air Filter Grille - Filter Included - Easy Plastic Tabs for Removable Face/Door 170BL 25X16 actual front end outer dimensions

actual front end outer dimensions are approximately 27 5/8" width X 26 5/8" height

+ Product Details Size – The size 30-gauge stick-on collar is 10" and it is compatible with duct 10"

allowing a seamless transition from large round or rectangular ducts to thin

providing maximum flexibility

24" X 24" Return Air Filter Grille - Filter Included - Easy Plastic Tabs for Removable Face/Door 170BL 25X16 actual front end outer dimensions+ Product Details Size 24"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" width X 25. 75" 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.