The Everpure EV969231 is a high-performance replacement cartridge designed for optimal water filtration. This 4FC-S Water Filter Cartridge features a Fibredyne® II submicron carbon block that effectively reduces cysts, chlorine, and unpleasant tastes and odors. It inhibits bacterial growth and scale, ensuring clean and safe drinking water. With a capacity of 15,000 gallons and a flow rate of 2.5 gallons per minute, this cartridge operates at a filtration level of 0.2 microns. It meets NSF standards 42 and 53, making it a reliable choice for enhancing water quality in your home or business.