22" x 28" or 28" x 22" Cube Core Eggcrate Return Air Grille w25h25 actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 38 5/8" height

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

with actual outer dimensions of 10

Actual Filter Size – 33 3/4"w x 31 3/4" x 1"

One model suits both T-Bar and Drywall installations

22" x 28" or 28" x 22" Cube Core Eggcrate Return Air Grille w25h25 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