32" x 32" Cube Core Eggcrate Return Air Grille Ceiling + Product Details Size –

+ Product Details Size – 36"w X 10"h is the size for the duct opening measurement only

Simplified Installation: Our Butterfly Damper ensures easy setup

actual front end outer dimensions are approximately 30 5/8" width X 18 5/8" height

+ Product Details Size – 18" x 26" or 26" x 18" is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 3

32" x 32" Cube Core Eggcrate Return Air Grille Ceiling + Product Details Size –+ Product Details Size 32" x 32" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 33. 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 electric