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Drink directly from lakes, rivers, and streams or fill a container to use your straw water filter on the go with protection against bacteria, parasites, microplastics, silt, sand, and cloudiness. Enhanced microfilter performance helps to reduce clogging from sand and silt for better flow rate. Ultralight and durable, pack it anywhere for your backup hydration, emergency, or on-the-go needs. Unlimited shelf life means no need to worry about how long it's been in your emergency go-bag unused.
Highly versatile: can also be attached to most water bottles and to standard gravity hoses with removable threaded bottom cap.

Long-lasting membrane microfilter will last up to 4000 litres (1000 gallons) of water - that's enough drinking water for one for over five years!

- Protects against 99.999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, silt, sand, and cloudiness.
- Pore size: 0.2 micron
- Lasts up to 4000 litres (1000 gallons) - the filter will stop allowing water to flow through once it has reached the end of its lifetime