![[NEW SteriPEN Adventurer Opti: water purifier and torch in one #1, 2 kb] [NEW SteriPEN Adventurer Opti: water purifier and torch in one #1, 2 kb]](http://img.ukclimbing.com/t/142581.jpg)
SteriPEN is launching the SteriPEN Adventurer Opti (due out end of this month), a water purifier the size of an electric toothbrush that uses UV light to destroy viruses, bacteria and protozoa and doubles as a torch for those night trips for water bottle refills.
Read more at http://www.ukclimbing.com/gear/news.php?id=2715