8" x 12" or 12" x 8" Cube Core Eggcrate Return Air Grille Black All steel wire is applied

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

Crafted from high-quality red oak wood

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

Choose our premium HVAC grilles and registers for long-lasting durability

+ Product Details Size – 10" X 4" is the size for the duct opening (floor/vent hole) measurement only

8" x 12" or 12" x 8" Cube Core Eggcrate Return Air Grille Black All steel wire is applied+ Product Details Size 8" x 12" or 12" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 13. 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