Description
+ Product Details Size – 10" x 10" is the size for the duct opening measurement only
+ Product Details Size – 10" X 4" is the size for the duct opening (floor/vent hole) measurement only
Actual Filter Size – 31 3/4"w x 27 3/4" x 1"
+ Product Details Size - 24"w X 26"h is the size for the duct opening measurement only
28" X 28" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 30 5 8" X 30 5 8"] steel + Product Details Size – RG1620AL Quality Packaging carefully packaged 8 Feet Long + Product Details Size – 10" x 10" is the size for the duct opening measurement only + Product Details Size – 10" X 4" is the size for the duct opening (floor vent hole) measurement only