14" x 18" or 18" x 14" Cube Core Eggcrate Return Air Grille Powder Coated the actual front end outer

the actual front end outer dimensions are 7" in diameter

Powder-coat finish – Smooth

width: 100%

Actual Filter Size – 27 3/4"w x 9 3/4" x 1"

+ Product Details Size – 25"w X 10"h is the size for the duct opening measurement only

14" x 18" or 18" x 14" Cube Core Eggcrate Return Air Grille Powder Coated the actual front end outer+ Product Details Size 14" x 18" or 18" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 19. 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