12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Grille 10" Round Duct Pipe listed size +2"

listed size +2"

+ Product Details Size - 32"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 8" x 28" or 28" x 8" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 32 5/8" height

12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Grille 10" Round Duct Pipe listed size +2"+ Product Details Size 12" x 22" or 22" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 23. 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