24" x 24" Cube Core Eggcrate Return Air Grille Insulated Line Set production and finish on all

production and finish on all products

With these options

Choose from a palette of four elegant colors – white

each available in a variety of high-quality materials like brushed nickel

R value rating of insulation - R3

24" x 24" Cube Core Eggcrate Return Air Grille Insulated Line Set production and finish on all+ Product Details Size 24" x 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" X 25. 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 electric