Steripen Adventurer Opti Uv Water Purifier: When Camping, Backpacking &Amp; Hiking, If You Won't Have Access To The Power Grip For Several Days At A Time, This Is The Water Purification System For You. It Eliminates Bacteria, Protozoa, And Viruses.
Treatment Size: .5 Or 1 Liter
Treatment Time: 48 Or 90 Seconds