Keep your water clean and fresh with the iSpring F3 6-Month Prefilter Replacement Supply Filter Cartridge Pack Set. Designed for use with Aqua Optima Evolve, this set includes three ceramic filters with a nickel finish to remove impurities from your water. The filters are compatible with ISpring brand products and are easy to install, ensuring that you always have clean and refreshing water on hand. Each filter cartridge is designed to provide long-lasting performance, with a weight of only 2.2 pounds. The set is ideal for use in major appliances such as washing machines and dryers, and is compatible with a range of brands including Aqua Optima. With its high-quality ceramic material and water filter features, this set is perfect for anyone who wants to enjoy clean and healthy water.