24" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 12 5/8"] 18" Diameter For 6" Round Duct Opening

For 6" Round Duct Opening - Spiral or Flex

We carry sizes the big box stores don't

Actual Filter Size – 25 3/4"w x 27 3/4" x 1"

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

24" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 12 5/8"] 18" Diameter For 6" Round Duct Opening+ Product Details Size 24"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 12 5 8" height Actual Filter Size 23 3 4"w x 9 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. Our