SteriPEN is the only portable water purifier that uses ultraviolet (UV) light to destroy waterborne microbes.

Whether your source is a woodland brook or an overseas hotel tap, SteriPEN purifies clear water by destroying viruses, bacteria and protozoaincluding Giardia and Cryptosporidiumin seconds.

Carry a SteriPEN to disinfect water wherever you travel, hike, camp or trek. Its the fastest route to pure, safe drinking water anywhere.
Steripen comes with a worldwide Limited Lifetime Gaurantee.
For further product information please consult http://www.steripen.com/faq.html