10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille Color_R-4.2 Yellow these louvers provide exceptional protection

these louvers provide exceptional protection against rain and water

Actual Filter Size – 19 3/4"w x 23 3/4" x 1"

we have assisted countless contractors

875" height

10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille Color_R-4.2 Yellow these louvers provide exceptional protection+ Product Details Size 10" x 26" or 26" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 27. 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