22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille w20h20 Ideal for both residential and

Ideal for both residential and commercial environments

Actual Front End Outer Dimensions Are 14" Diameter

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 34" OR 34" x 18" duct opening (measured at the opening)

actual front end outer dimensions are 25" Width X 25" Height

22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille w20h20 Ideal for both residential and+ 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