12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Grille Curved Blade Steel Ideal for Walls & Ceilings:

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

actual front end outer dimensions are approximately 7

Rigid gauge built for durability and long life in mind

actual front end outer dimensions are approximately 26 5/8" width X 34 5/8" height

12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Grille Curved Blade Steel Ideal for Walls & Ceilings:+ 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