20" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 22 5/8" X 16 5/8"] Color_Aluminum actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 28 5/8" width X 12 5/8" height

and utility rooms

Horizontal performance assures confident use of cooling temperature differential of 30 degrees Fahrenheit and greater

+ Product Details Size - 36"w X 20"h is the size for the duct opening measurement only

Actual Filter Size – 17 3/4"w x 25 3/4" x 1"

20" X 14" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 22 5 8" X 16 5 8"] Color_Aluminum actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 28 5 8" width X 12 5 8" height and utility rooms