25" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 27 5/8" X 22 5/8"] Width_20in Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 15 3/4" x 1"

Noise free components - No vibrating louvers etc

85" width X 5

Installation of the vents will eliminate the need to raise the door ensuring security and constant air flow and reduced heat transfer into attics and adjacent house walls

Actual Filter Size – 31 3/4"w x 15 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"] Width_20in Actual Filter Size – 27+ Product Details Size 25"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27 5 8" width X 22 5 8" height Actual Filter Size 24 3 4"w x 19 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.