22" x 28" or 28" x 22" Cube Core Eggcrate Return Air Grille w10h10 rust-free aluminum

rust-free aluminum

actual front end outer dimensions are approximately 34 5/8" width X 36 5/8" height

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

875" width X 21

+ Product Details Size – 32"w X 20"h is the size for the duct opening measurement only

22" x 28" or 28" x 22" Cube Core Eggcrate Return Air Grille w10h10 rust-free aluminum+ 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