12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Grille Width_20in It features an eight-tumbler lock

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

this thermostat guard is the perfect solution for residential

+ Product Details Size – 18" x 24" or 24" x 18" is the size for the duct opening measurement only

+ Product Details Size – 22"w X 12"h is the size for the duct opening measurement only

16"w X 3"h Is The Size For The Duct Opening Measurement Only

12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Grille Width_20in It features an eight-tumbler lock+ Product Details Size 12" x 32" or 32" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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