14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Grille w32h32 please note that the total

please note that the total outer dimensions of the grille measure 14" in diameter

and with a built-in back 1/2" mesh they also protect you from annoying rodents like mice

Actual Filter Size – 17 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height

14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Grille w32h32 please note that the total+ Product Details Size 14" x 16" or 16" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 17. 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