Selection of portable water filtration systems.
https://www.youtube.com/watch?v=bzo3_B_fTOk Criteria for selecting a portable water filtration system. System dimensions and weight The size and weight of the filter system are important criteria to consider. A portable filter system, which is especially important for tourists and travelers, must be compact and light. I like brands katadyn AND thread of life It offers lightweight and compact filters that are perfect for a backpack. Filter capacity Filtering efficiency, usually measured in micrometers, indicates the size of particles that the filter can retain. The lower the number, the more effective the filter. Filter life An important selection criterion is the number of…