20" x 30" or 30" x 20" Cube Core Eggcrate Return Air Grille sidewall with no sharp edges to

with no sharp edges to worry about

ready to cut for size of vent pipe

transparent design and durable construction

+ Product Details Size – 48"w X 24"h is the size for the duct opening measurement only

Our grilles feature a durable powder-coat finish

20" x 30" or 30" x 20" Cube Core Eggcrate Return Air Grille sidewall with no sharp edges to+ Product Details Size 20" x 30" or 30" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 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