16" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 30 5/8"] w34h34 actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 16 5/8" width X 22 5/8" height

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size – 25"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 10"h is the size for the duct opening measurement only

16" X 28" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 18 5 8" X 30 5 8"] w34h34 actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 16 5 8" width X 22 5 8" height High Quality – High quality aluminum with counter sunk screw holes (screws included) and no sharp edges