Clyde
H.M.F.I.C.
Their website (http://www.steripen.com) states the following;
SteriPEN harnesses the brilliant power of ultraviolet light to make water safe to drink. It’s the same technology used by leading bottled water manufacturers, as well as major cities in the U.S., Europe and Asia to purify water. View the WQA video explanation Extensive testing has proven SteriPEN to be safe and effective, eliminating over 99.9% of bacteria, viruses and protozoa that cause water-borne illness. SteriPEN has earned the Water Quality Association’s Gold Seal, certifying its effectiveness.
If you have tried one or know someone who has can you please post something about how they like or dislike the Steri Pen.