14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille 10in diameter actual front end outer dimensions

actual front end outer dimensions are 25" Width X 19" Height

+ Product Details Size - 4"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – 6" x 26" or 26" x 6" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 42 5/8" height -

14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille 10in diameter actual front end outer dimensions+ Product Details Size 14" x 34" or 34" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 35. 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