12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size -

+ Product Details Size - 32"w X 22"h is the size for the duct opening measurement only

+ Product Details Size – 26"w X 12"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 8" X 8" duct openings

+ Product Details Size - 34"w X 6"h is the size for the duct opening measurement only

+ Product Details Size – 12" x 28" or 28" x 12" is the size for the duct opening measurement only

12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size -+ Product Details Size 12" x 14" or 14" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 15. 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