10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille Color_White Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 17 3/4" x 1"

75" width X 26

actual front end outer dimensions are approximately 28 5/8" width X 8 5/8" height

actual front end outer dimensions are approximately 16 5/8" width X 28 5/8" height

10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille Color_White Actual Filter Size – 15+ 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