14" x 24" or 24" x 14" Cube Core Eggcrate Return Air Grille 3-Way or 4-Way guaranteeing efficient ventilation throughout your

guaranteeing efficient ventilation throughout your space

+ Product Details Size – 8" x 28" or 28" x 8" is the size for the duct opening measurement only

75"H – fits a 16" X 8" duct opening

Installation Location – Sidewall & ceiling

75"H – fits a 20" X 20" duct opening

14" x 24" or 24" x 14" Cube Core Eggcrate Return Air Grille 3-Way or 4-Way guaranteeing efficient ventilation throughout your+ Product Details Size 14" x 24" or 24" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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