When it is time to replace your LifeStraw, the flow rate will decrease and it will become complicated to pull water through the filter. 

To get the best longevity with your LifeStraw, you can increase the lifespan by cleaning the LifeStraw after each use. 

The great thing is, you can never drink contaminated water from a LifeStraw; when the water stops flowing through it, you know it is time for a new one!

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