30" x 34" or 34" x 30" Cube Core Eggcrate Return Air Grille steel Universal Fit – Measures 3-7/8"

Universal Fit – Measures 3-7/8" wide x 3-1/2" high x 3" deep

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 8" duct openings

+ Product Details Size - 25"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 12 5/8" width X 16 5/8" height

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

30" x 34" or 34" x 30" Cube Core Eggcrate Return Air Grille steel Universal Fit – Measures 3-7/8"+ Product Details Size 30" x 34" or 34" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32. 5" X 36. 5". 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