There are servals sorts of the lightweight water filtering system:
Container( press) water filter
Pump water filter
Straight suction (water straw).
Every one of these water filtering systems directly filters water resources through the installment and also a combination of various filter elements.
If you only filter the tap water outdoors, which is generally clear, you don’t need a filter system for particles.
If you plan to filter the water from the river, lakes or well which is sometimes not clear, you will probably need a water filter system to remove the particles.
Choosing at least 3 stages lightweight water filter, and if you want to drink pure and clean water, use a 0.1-micron filter, because this filter has the capacity to remove bacteria, viruses, chemical pollutants, and other particles.
Depend on: How Many People Take Part in the Traveling
If just yourself or 2 people are camping, choose the squeeze water filter, lightweight and portal to bring on your pocket or backpack, and stock normally 300-600ML water with a squeeze bag.
If a group of people takes part in hiking, the gravity water filter system could meet the water needs, because it can filter 3-6L water at one time.
Finally, when you decide to buy a lightweight water filtration system, the above information will help you figure out the best one.