The Breeze33 16" x 20" Wall Return Air Grille in White Finish is made from high-quality, durable steel. With its 1/3" spaced fins set and exceptional free area, this return ensures efficient and even air flow circulation, enhancing the overall comfort of your room. Its 2-way configuration is designed for seamless integration into both residential and commercial heating, ventilation, and air conditioning (HVAC) systems. The sleek white finish ensures it complements any interior decor, making it a practical and stylish addition to any indoor space requiring efficient temperature and air quality control.