25" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 27 5/8" X 22 5/8"] 14in diameter Actual Filter Size – 27 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Actual Filter Size – 27 3/4"w x 7 3/4" x 1"

actual front end outer dimensions are approximately 32 5/8" width X 10 5/8" height -

actual front end outer dimensions are approximately 34 5/8" width X 38 5/8" height

actual front end outer dimensions are approximately 27 5/8" width X 36 5/8" height

Actual Filter Size – 23 3/4"w x 13 3/4" x 1"

25" X 20" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 27 5 8" X 22 5 8"] 14in diameter Actual Filter Size – 27 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 27 3 4"w x 7 3 4" x 1" actual front end outer dimensions are approximately 32 5 8" width X 10 5 8" height