22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille Material_Steel + Product Details Size -

+ Product Details Size - 12"w X 14"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 16" duct openings

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85" width X 21

22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille Material_Steel + Product Details Size -+ Product Details Size 22" x 34" or 34" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 35. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing