6" x 12" or 12" x 6" Cube Core Eggcrate Return Air Grille Copper Coil border-radius: 8px

border-radius: 8px

+ Product Details Size - 20"w X 6"h is the size for the duct opening measurement only

5/8" - 2579 PSI

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

6" x 12" or 12" x 6" Cube Core Eggcrate Return Air Grille Copper Coil border-radius: 8px+ Product Details Size 6" x 12" or 12" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 14. 5". 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