28" x 32" or 32" x 28" Cube Core Eggcrate Return Air Grille 2-Way Deflection + Product Details Size -

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

Crafted for durability and rust-resistance

Built-In Locking System – Comes with a permanently attached eight-tumbler lock and a supplied key for added security

+ Product Details Size – 25"w X 32"h is the size for the duct opening measurement only

75" width X 31

28" x 32" or 32" x 28" Cube Core Eggcrate Return Air Grille 2-Way Deflection + Product Details Size -+ Product Details Size 28" x 32" or 32" x 28" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 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