6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size –

+ Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only

creating a quiet and efficient environment

With its reliable construction and sleek design

High diffusion induction rates result in rapid temperature and velocity equalization of the mixed air mass well above the zone of occupancy

6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size –+ Product Details Size 6" x 28" or 28" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 29. 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