In just 45 seconds, your water is safe to drink. Now you're free to hike and travel wherever you want, without the need to carry or store your own water.
SteriPEN is proven 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 Gold Seal, certifying its effectiveness.
Ultra, from SteriPEN, is the one of the most advanced UV water purifiers in the world. Rechargeable and easy to use the smiley face tells you when the water is safe to drink.
FREE STANDARD UK DELIVERY on orders over £30
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