14" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included *[Outer Dimensions: 16 5/8" X 22 5/8"] 8in diameter With these options

With these options

Actual Filter Size – 29 3/4"w x 11 3/4" x 1"

+ Product Details Size - 34"w X 24"h is the size for the duct opening measurement only

Please check the measuring guide to ensure a proper fit

Actual Filter Size – 7 3/4"w x 29 3/4" x 1"

14" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included *[Outer Dimensions: 16 5/8" X 22 5/8"] 8in diameter With these options+ Product Details Size 14"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 22 5 8" height Actual Filter Size 13 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.