20" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 12 5/8"] Color_R-4.2 Yellow you can watch this informative Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

actual front end outer dimensions are approximately 32 5/8" width X 18 5/8" height

+ Product Details Size - 24"w X 8"h is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 25 3/4" x 1"

Made from high-quality aluminum

20" X 10" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 22 5 8" X 12 5 8"] Color_R 4.2 Yellow you can watch this informative Compatible With Duct 7in Applications This sheet metal DDAG A 1212 you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille actual front end outer dimensions are approximately 32 5 8" width X 18 5 8" height