Katadyn BeFree AC Replacement Cartridge Slate Blue, One Size

What Our Gearhead(R) Experts Are Saying:"This replacement filter keeps my BeFree system running like new. It's super easy to clean, and I love how lightweight and fast it filters water. Whether I'm backpacking or hiking, I can always count on safe, clean water with this cartridge."When our adventures take us far from the comforts of clean water sources, the Katadyn BeFree AC Replacement Cartridge gives us the confidence to drink from lakes, rivers, or streams. Designed to work with all BeFree systems, including bottles and gravity bags, this cartridge filters water quickly and effectively to EPA standards, removing 99. 99% of protozoa and 99. 9999% of bacteria. What sets the BeFree apart is its ease of maintenance. When the flow slows down, a simple shake or swish removes debris and restores performance, so we never have to worry about complicated cleaning processes. Lightweight, fast, and tested for up to 1,000 liters of filtration, this replacement cartridge ensures that we stay hydrated and healthy no matter where the trail takes us.