The Everpure EV959531 is a high-performance water filtration cartridge designed to effectively reduce PFOA and PFOS contaminants. With a capacity of 4,000 gallons, this cartridge ensures long-lasting filtration for your water needs. It operates at a flow rate of 1.67 gallons per minute and features a 0.5 micron rating, providing superior filtration for improved water quality. The cartridge is NSF Certified to Standards 42, 53, and 401, and is IAPMO Certified to Standard 53 specifically for PFOA/PFOS reduction. Each pack contains one cartridge, weighing 2 lbs for easy shipping and handling.