22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Aluminum Adjustable Curved Blade It features an eight-tumbler lock

It features an eight-tumbler lock with a supplied key for secure access

+ Product Details Size - 26"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 24"w X 22"h is the size for the duct opening measurement only

14"w X 2"h Is The Size For The Duct Opening Measurement Only

22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Aluminum Adjustable Curved Blade It features an eight-tumbler lock+ Product Details Size 22" x 24" or 24" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 25. 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