Emergency filter for small to large groups in temporary need of water filtration solution. Filtration rate is 4 liters per hours. Off-grid use: No need for pumping or connection to a tap thanks to gravity Protection: 0.0002 mm (0.2 micron) ceramic microfilter. „Highly Protective“ on bacteria and protozoa described in the WHO Household Water Treatment. filter life is 20,000 liters of water. standard. 99.999% removal of harmful bacteria and parasites 99.99% removal of Cryptosporidium and Giardia Suitable for first response periods: Unlike disposable filters, the ceramic can be cleaned many times - even in the field. Advantage - longer use and lower operating costs