20" X 40" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 42 5/8"] fixed bar + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 16"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 24 3/4"w x 19 3/4" x 1"

actual front end outer dimensions are approximately 32 5/8" width X 22 5/8" height

+ Product Details Size – 14"w X 20"h is the size for the duct opening measurement only

Installation Location – Floor

20" X 40" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 22 5 8" X 42 5 8"] fixed bar + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 16"w X 34"h is the size for the duct opening measurement only Actual Filter Size – 24 3 4"w x 19 3 4" x 1"