30" x 30" Cube Core Eggcrate Return Air Grille Material_Steel + Product Details Size –

+ Product Details Size – 22"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 26" x 28" or 28" x 26" is the size for the duct opening measurement only

Whether you choose the modern contemporary

5" Wide x 12" Tall x 2

30" x 30" Cube Core Eggcrate Return Air Grille Material_Steel + Product Details Size –+ Product Details Size 30" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 75" X 31. 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