10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille Color_White Actual Filter Size – 24

Actual Filter Size – 24 3/4"w x 29 3/4" x 1"

+ Product Details Outer dimensions: 19

16" Diameter Is The Size For The Duct Opening Measurement Only

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

actual front end outer dimensions are approximately 12 5/8" width X 10 5/8" height

10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille Color_White Actual Filter Size – 24+ 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