Water filters are used by hikers, by aid organizations during humanitarian emergencies, and by the military. These filters are usually small, portable and lightweight (1-2 pounds /.5-1.0 kg or less).
They are usually water filter to work the hand pump mechanics, although some systems use water siphon power reduction through while others are built into a water bottle.
Dirty water is pumped through a flexible silicone tube twisted ends filtered through a special filter in a container. This filter works to eliminate bacteria, protozoa, and cysts of microbes that can cause disease.
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Filters may have fine meshes to be replaced or cleaned and the ceramic filter should be beyond them chipped when they have become clogged with dirt.
Katadyn Hiker Microfilter
It is a rated clarifier. It is ideal for backpacking when you want to keep the weight down and travel light. Cryptosporidium and Giardia eliminate bacteria from the water through its filtration system.
It is very easy to use and comes with a bottle attachment and attachment Nalgene hydration pack. This is an efficient filter and lightweight portable that produces a high volume of water with each stroke.
Mini Micro Ceramic
If you are looking for a light water system filter4 ultra-portable, this is the one. This one is about a light at just 8 ounces. It is only 7 inches in height makes it convenient to pack.
It uses the 0.2-micron ceramic depth clarifier so that it can be cleaned in the field. It puts 2,000 gallons before needing to be replaced. It comes with a pre-clarifier, bottle clip, carry bag, measuring gauge and cleaning pad.