Enjoy clean drinking water when on your next camping or hiking trip with the Katadyn Vario Portable Water Filtration System that features 2 filter modes. In Longer Life mode, the system filters up to 1 qt. of murky water per minute using a ceramic prefilter disc and glass fiber cartridge, while the Faster Flow mode filters up to 2 qt. of clear water per minute directly through the cartridge. This filter fits most outdoor bottles and hydration bladders for ease of use while on the go.