6" x 22" or 22" x 6" Cube Core Eggcrate Return Air Grille Return Grille actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 16 5/8" height

Measure the size of the air duct/drywall opening

actual front end outer dimensions are approximately 22 5/8" width X 52 5/8" height

this thermostat guard combines dependable security with a professional and attractive appearance

6" x 22" or 22" x 6" Cube Core Eggcrate Return Air Grille Return Grille actual front end outer dimensions+ Product Details Size 6" x 22" or 22" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 23. 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