26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille 14" Round Duct Pipe With its compact size and

With its compact size and high-quality materials

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

actual front end outer dimensions are approximately 22 5/8" width X 26 5/8" height

Actual Filter Size – 25 3/4"w x 17 3/4" x 1"

9% Pure Copper)

26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille 14" Round Duct Pipe With its compact size and+ Product Details Size 26" x 30" or 30" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 31. 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