SteriPEN Ultra is proven to be safe and effective, eliminating over 99.9% of bacteria, viruses and protozoa that cause water-borne illness. 

Featuring a user-friendly OLED (Organic Light Emitting Diodes) display Ultra is rechargeable via a computer, outlet or portable solar panel. Ultra's UV lamp treats 8,000 one-liter treatments.

In just 48 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. 

Ultra is the most advanced UV water purifier around. The OLED display clearly indicates treatment and battery status. With an internal rechargeable battery, there’s no need to carry spare batteries. 

Weight: 4.94 oz
Dimensions: 7.3 x 1.6 x 1.3 in
Lamp Life: 8,000 treatments
Battery: Internal Lithium-Ion (Included with purchase)
Battery Life: 100 .5 liter treatments or 50 1 liter treatments per charge
Minimium Bottle Diameter: 20mm (0.8 inches)
Filter Compatibility: Tapered End (PreFilter and FitsAll)