22" x 28" or 28" x 22" Cube Core Eggcrate Return Air Grille w10h10 Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 42" Width X 18" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 24" OR 24" X 14" duct opening (measured at the opening)

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

875" width X 21

22" x 28" or 28" x 22" Cube Core Eggcrate Return Air Grille w10h10 Actual Front End Outer Dimensions+ Product Details Size 22" x 28" or 28" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 29. 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