26" x 26" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 38 5/8" width X 26 5/8" height -

+ Product Details Size – 28" x 34" or 34" x 28" is the size for the duct opening measurement only

75" Width X 5

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 24" or 24" x 12" duct opening (measured at the opening)

Carefully packaged to prevent damage during shipment

26" x 26" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe actual front end outer dimensions+ Product Details Size 26" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 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 electric