10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille Insulated Line and centralized air ducted units

and centralized air ducted units

modern Victorian

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

ventilation

10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille Insulated Line and centralized air ducted units+ Product Details Size 10" x 30" or 30" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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