22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille Ceiling + Product Details Size -

+ Product Details Size - 36"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 16 5/8" height

Whether you choose the modern contemporary

Actual Filter Size – 24 3/4"w x 33 3/4" x 1"

width: 22px

22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille Ceiling + Product Details Size -+ Product Details Size 22" x 34" or 34" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 35. 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