Does the LifeStraw Personal Water Filter remove heavy metals, chemicals or viruses?

The LifeStraw Personal Water Filter (including LifeStraw Go) is designed to filter out 99.9999% of waterborne bacteria and 99.9% of waterborne parasites. Chemicals, salt water, heavy metals, and viruses will not be removed.

LifeStraw Steel on the other hand, is able to remove chemicals such as chlorine and organic compounds (pesticides and herbicides).