Now you can have clean accessible drinking water where ever you go! The Propur water filter straw is ideal for purse, travel, camping or emergency water filtration. Easily stores in purse or pocket, lightweight for travel. Conveniently stores in it's own carry case. Removes metals (including lead), Fluoride, micro-organisms (including E.Coli and Giardia up to 99.999%) and parasites. *Can now be used as ProSip Water Bottle Filter replacement.