8" x 14" or 14" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 16.5"] return grille + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 22"w X 20"h is the size for the duct opening measurement only

making it a versatile choice for both residential and commercial settings

+ Product Details Size – 26"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 6"w X 6"h X 2"d (for duct opening measurement only)

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8" x 14" or 14" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum White [Outer Dimensions: 10.5" X 16.5"] return grille + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 22"w X 20"h is the size for the duct opening measurement only making it a versatile choice for both residential and commercial settings