The LifeStraw Flex provides added versatility and protection while continuing to be extremely lightweight and long-lasting. The 2-stage filter protects against bacteria, parasites, and micro-plastics while also expanding protection against lead and some chemicals. The product is ideal for hiking, camping, and emergency preparedness/survival.
After every use, back-flush your LifeStraw by blowing a breath of air back into the mouthpiece to purge all remaining water trapped within the filter. If you have access to clean water, suck some into the filter and back-flush it again. Give it a few shakes and leave both ends uncapped to air dry at room temperature.
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