The Everpure EV961232 i4000² Water Filter Cartridge is designed to enhance your water quality by effectively reducing scale, cysts, chlorine, and unpleasant tastes and odors. This high-performance cartridge can filter up to 12,000 gallons of water at a flow rate of 1.67 gallons per minute. With a filtration precision of 0.5 microns, it meets NSF standards 42 and 53, ensuring reliable performance and safety. Ideal for both residential and commercial use, the i4000² cartridge provides clean, refreshing water for all your needs.