12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Grille 10" Round Duct Pipe + Product Details Size -

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

+ Product Details Size – 10" round duct opening-

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

modern look and superior functionality

actual front end outer dimensions are approximately 12 5/8" width X 8 5/8" height -

12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Grille 10" Round Duct Pipe + Product Details Size -+ 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