Description Trusted on mountains and trails for over 15 years, the Sterpen Classic 3 is an excellent choice for UV Water Purification. Ultraviolet (UV-C) light rays safely purify clear water...

Featuring a user-friendly, high-contrast OLED (Organic Light Emitting Diode) display, Ultra is the most advanced UV water purifier around. With the ability to recharge Ultra via computer, outlet or portable...