Water filters work by physically straining out protozoan cysts such as cryptosporidium and giardia lamblia and bacteria such as e.
Virus water filter camping.
Coli salmonella campylobacter and shigella.
On the microscopic scale viruses are far smaller than protozoa and bacteria.
Because of this they re too small for backpacking filters to catch.
Traditionally tackling viruses has been tough for water treatment devices.
They simply slip through the filter media that filters use.
3 stages 2 cleanable 100 000l membranes and a carbon filter for family preparedness visit the survivor filter store.
Survivor filter pro virus and heavy metal tested 0 01 micron water filter for camping hiking and emergency.
To protect against protozoa bacteria and even viruses there is a wide range of water filtration and purification systems built specifically for backpacking many options on this list are great for day hiking trail running and travel too.
Viruses are rarely a problem in north america so most us backpackers don t worry about treating them.
The best filtration systems can remove chemicals heavy metals and odors using activated carbon embedded in the core of the media.
These biological pathogens are the main water concerns if you re traveling in the u s.