Carries out water treating from mechanical impurity, rust particles, maintenance reduction of water organic chemistry, pesticides and herbicides, heavy metals, chlorine and its derivatives, changes a taste, a smell, colour and aroma of water. Capillar membrane has the size of pore to 0,001 microns and is capable to eliminate from water majority of bacteria, to make more thin clearing of other harmful impurity, besides the membrane is periodically washed, preventing dirt accumulation.