10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille 1-Way + Product Details Size -

+ Product Details Size - 6"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 36 5/8" width X 26 5/8" height

+ Product Details Size – 20"w X 8"h is the size for the duct opening measurement only

equipped with a lever for airflow dampening

this grille boasts a natural warmth and fine finish

10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille 1-Way + Product Details Size -+ Product Details Size 10" x 22" or 22" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 23. 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