The Everpure EV910545 is a high-performance water softening cartridge designed to enhance water quality. This SO-204 cartridge effectively reduces mineral build-up and inhibits scale formation, ensuring cleaner water for your home or business. With a softening capacity of 4,500 grains, it provides reliable performance for extended use. The cartridge supports a flow rate of 2.0 gallons per minute, making it suitable for various applications. Each package includes four 20" cartridges, ensuring you have ample supply for your water conditioning needs. Enjoy the benefits of softer water with the Everpure EV910545.