LifeStraw

Dark Mountain Gray

Dusty Mountain Blue

<p>Versatile water filtration for where ever your adventure takes you. Connect the microfilter to the reservoir at base camp for a convenient gravity filter, attach it to a hydration bladder or disposable water bottle while you're on the go, or use it as a personal straw and sip straight from the water source. The redesigned reservoir is more durable to withstand the rigours of the backcountry.</p><ul><li>3L TPU reservoir is ultra-durable and collapsible</li><li>Membrane microfilter treats up to 2000L (varies with water quality)</li><li>Removes up to 99.99999% of waterborne bacteria, and up to 99.999% of waterborne parasites and microplastics</li><li>Plastic filter casing is made with 50% recycled content</li><li>Webbing handle for hanging and carrying</li><li>1.2m quick connect hose is compatible with other systems</li><li>Included backwash syringe for cleaning filter</li><li>LifeStraw’s Follow the Liters program provides a child in a developing country safe with drinking water for an entire school year with every LifeStraw product sold</li></ul>

LifeStraw Compact Gravity 3L Water Filter System

Water can be treated using various types of filters, chemicals or non-chemical purification methods, or a combination. Filters on their own will not remove viruses as they are too small.

A 0.5 micron or smaller filters protozoa and some large bacteria; 0.2 micron or smaller filters smaller bacteria such as campylobacter.

The life of the filter cartridge is based on the quantity of water you can treat before the cartridge is no longer effective. This does not apply to battery operated or chemical filter systems.

Most viruses are in the 0.1 micron size range, but they can be as small as 0.002 microns.

Particulate consists of very small bits and pieces such as dirt or bugs.

Protozoa are larger than one micron and include cryptosporidium and giardia. 

Bacteria can cause illnesses such as diarrhea and dysentery and are about 1.0 micron in size, although some can be as small as 0.2 microns. 

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LifeStraw Compact Gravity 3L Water Filter System

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