22" x 32" or 32" x 22" Cube Core Eggcrate Return Air Grille sidewall + Product Details Size -

+ Product Details Size - 26"w X 10"h is the size for the duct opening measurement only

6" width X 13

These are specially sized to fit into all drop ceilings

+ Product Details Size - 24"w X 2"h is the size for the duct opening measurement only

Locking Security System – Features a built-in eight-tumbler lock and a supplied key to prevent tampering and maintain consistent temperature settings

22" x 32" or 32" x 22" Cube Core Eggcrate Return Air Grille sidewall + Product Details Size -+ Product Details Size 22" x 32" or 32" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 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