Features: Easy to use: Installing this metal return vent cover grille is a breeze. Enjoy a quick and straightforward installation to enhance your home's ventilation. Function: Louvers control the amount and direction of airflow for rattle-free quiet ventilation Specifications: Material: aluminum alloy Color: white Size: 16 5/8"W x 26 5/8"H Package includes: 1 x Vent cover Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.