16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Grille 8in diameter 75" width X 15

75" width X 15

+ Product Details Size – 26" x 34" or 34" x 26" is the size for the duct opening measurement only

Perforated steel grille for return air flow

+ Product Details Size - 40"w X 20"h is the size for the duct opening measurement only

+ Product Details

16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Grille 8in diameter 75" width X 15+ Product Details Size 16" x 30" or 30" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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