12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Grille Aluminum Bar actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 24 5/8" height

+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 28 5/8" width X 18 5/8" height

undisturbed airflow

featuring a sleek ½” fin design

12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Grille Aluminum Bar actual front end outer dimensions+ Product Details Size 12" x 32" or 32" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 33. 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