Description The Katadyn BeFree AC Replacement Cartridge restores the fast-flow performance and dependable filtration of your BeFree microfilter system. Designed for simplicity and reliability, this replacement cartridge uses Katadyn&&';;s advanced EZ-Clean hollow-fiber membrane to remove harmful microorganisms from natural water sources. Whether you&';re preparing for an extended backcountry hunt or refreshing worn gear, this cartridge ensures your filtration system continues operating at its best. Lightweight, durable, and field-maintainable, it&';s an essential part of keeping your BeFree system ready for every adventure. Specs Capacity Filters up to 1000 liters, depending on water quality Manufacturer Warranty 2 Year