The BeFree water filter weighs only 59g. The 0.1 micron hollow EZ-Clean Membrane fiber filter converts water from natural sources into clean, safe drinking water. Just fill up the Hydrapak SoftflaskTM and let it the do the work. Easy to clean by shaking the filled flask or by removing the filter and swishing in clear water.
Jury-Statement about BeFree Water Filtration System by Katadyn:
"Making something so simple, so easy to use is hard to do. Katadyn managed to design a bottle that is just perfect." (Marianne van der Steen, Consumer)