The smallest and lightest model of the Steripen series is the UltraLight, which can be used to treat 1 L per application.
Treats 1 L per application. Due to its small pack size and weight of only 76.5 grams this small UV purifier is predestined for minimal baggage. The lifespan of this new water purifier is 8000 uses and its permanently installed battery can be charged using a USB cable.
Treat up to 20 litres of water on a single charge from its high quality USB rechargeable battery which holds charge for months so it is ready when you need it.
Ultraviolet (UV-C) light rays safely purify clear water by destroying 99.9% of protozoa (including Giardia and Cryptosporidia), bacteria and even viruses
When the treatment is complete, the lamp turns off and a green LED indicator lights up so you know you can hydrate safely.