The ZeroWater ZR-017 Replacement Filter is a high-quality water filter designed for use with the Aqua Optima Evolve model. This bulk discount pack allows you to purchase multiple filters at a convenient rate, ensuring you always have clean and fresh water on hand. With the ZeroWater brand known for its premium water purification products, you can trust that this filter will effectively remove impurities and contaminants from your tap water. Keep your kitchen running smoothly with this reliable and efficient water filter.