20" x 22" or 22" x 20" Cube Core Eggcrate Return Air Grille Filter Grille screws same color as vent

screws same color as vent cover

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 10" duct openings

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

+ Product Details Size – 30"w X 6"h is the size for the duct opening measurement only

Optimized Comfort: By putting airflow control at your fingertips

20" x 22" or 22" x 20" Cube Core Eggcrate Return Air Grille Filter Grille screws same color as vent+ Product Details Size 20" x 22" or 22" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 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