Experience cleaner, clearer water with the Microtec Opticlean MC-23 Filter Cartridge, the latest version 2.0 refill designed to seamlessly fit your Aqua Optima Evolve water filter system. Crafted by Microtec, a trusted name in water filtration, this cartridge is packed with advanced technology to reduce contaminants and impurities, ensuring your water is safe and refreshing to drink. The MC-23 model comes as a single pack, making it easy to install and replace, and is compatible with the Aqua Optima Evolve model. It features the Sealin design which ensures a secure fit, providing peace of mind that your filter is functioning at its best. Keep your water pure and your health on track with this essential refill cartridge.