32" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 22 5/8"] 6in diameter It has an outer surface Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

actual front end outer dimensions are approximately 32 5/8" width X 20 5/8" height

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height -

+ Product Details Size – 36"w X 30"h is the size for the duct opening measurement only

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

32" X 20" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 34 5 8" X 22 5 8"] 6in diameter It has an outer surface Compatible With Duct 7in Applications This sheet metal DDAG A 1212 It has an outer surface made of high quality aluminum foil and an inner surface made of metalized PET with inside high tensile spring steel wire actual front end outer dimensions are approximately 32 5 8" width X 20 5 8" height