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Multiple award winner (time magazine best invention), the SteriPEN® is the only portable water purifier that uses ultraviolet (UV) light to destroy waterborne microbes.

Affordable and efficient, the SteriPEN Emergency purifies 200 half-liter servings of water on just one set of AA lithium batteries, enough to see your family comfortably through any problem time. TheSteriPEN Emergeny UV lamp life is 3,000 treatments.

The SteriPEN Emergency is designed to fit perfectly into commercial water bottles, forming a seal that lets you keep the water in the original bottle for purification. Just insert the SteriPEN Emergency securely into the mouth of the bottle, turn it upside down, and you have safe drinking water in less than a minute.

SteriPEN Emergency is powered by 4 AA batteries. Battery quality varies greatly by brand. We recommend using only well-known brand name Lithium or Nickel Metal Hydride batteries. Alkaline batteries are not recommended.

Weight: 156g
Dimensions: 19.3cm x 3.8cm x 3.8cm (7.6in x 1.5in x 1.5in)
Battery type: AA Lithium (Alkaline not recommended)
Batteries included? No
Battery life: Lithium disposable batteries cover 200 x 0.5L treatments
UV lamp life: 3,000 treatments