6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille w16h16 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 16" x 34" or 34" x 16" is the size for the duct opening measurement only

+ Product Details Size - 22"w X 14"h is the size for the duct opening measurement only

85" width X 25

actual front end outer dimensions are approximately 18 5/8" width X 28 5/8" height

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6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille w16h16 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 16" x 34" or 34" x 16" is the size for the duct opening measurement only + Product Details Size 22"w X 14"h is the size for the duct opening measurement only