8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 34.5"] 2-Way + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 26" x 26" is the size for the duct opening measurement only

+ Product Details Size - 16"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 10 5/8" height

actual front end outer dimensions are 19" Width X 11" Height

75" Width X 37

8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum White [Outer Dimensions: 10.5" X 34.5"] 2 Way + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 26" x 26" is the size for the duct opening measurement only + Product Details Size 16"w X 24"h is the size for the duct opening measurement only