Photo of kayaker

“We spent two weeks in China while adopting our daughter. Mixing formula was much easier with a quick and ready supply of purified water. Thank you for the quick delivery of our SteriPEN™!”

~ Sheryl W.,
Louisville, KY

Proven Technology

UV light destroys the DNA of bacteria, viruses, and parasitic protozoa.

When used as directed, SteriPEN®'s Ultraviolet Light:

  • Destroys Giardia and Cryptosporidium
  • Kills 99.9999% of bacteria such as Salmonella and E. coli
  • Eliminates over 99.99% of viruses such as hepatitis and poliovirus
  • Meets U.S. E.P.A. Guide Standard and Protocol for Testing Microbiological Water Purifiers

These common microorganisms are destroyed by SteriPEN's Ultraviolet Light:

  • Bacillus anthracis
  • Corynebacterium diphtheriae
  • Dysentary bacilli (diarrhea)
  • Escherichia coli (diarrhea)
  • Legionella pneumophilia
  • Mycobacterium tuberculosis
  • Pseudomonas aeruginosa
  • Salmonella (food poisoning)
  • Salmonella paratyphi (enteric fever)
  • Salmonella typhosa (typhoid fever)
  • Shigella dysentariae (dysentery)
  • Shigella flexneri (dysentery)
  • Staphylococcus epidermidis
  • Streptococcus faecaelis
  • Vibro commo (cholera)
  • Bacteriophage (E. Coli)
  • Hepatitis
  • Influenza
  • Poliovirus (poliomyelitis)
  • Baker's yeast

Visit our testing library - the most comprehensive of any portable water purifier company.

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Purchase SteriPEN online

SteriPEN Journey in a glass

SteriPEN® JourneyLCD specifications:

  • Weight: 128g (4.5 oz.) with batteries.
  • Dimensions: 18.6 cm (7.3 in.) in length, 4.1 cm (1.6 in.) in width, and 3.3 cm (1.3 in.) in depth.
  • Battery: 2 CR123 batteries (included)


SteriPEN Traveler in goblet

SteriPEN® Adventurer / Traveler specifications:

  • Weight: 105g (3.6 oz) with batteries.
  • Dimensions: 6.1 " high - 4.75 cubic inch volume
  • Battery: 2 CR123 batteries (rechargeable lithium recommended)


Photo of a SteriPEN

SteriPEN® specifications:

Number of expected uses for 16 oz. of water.



U.S. Patent Numbers: 5900212, 6110424, 6579495B1
Further U.S. patents pending
Patents and patents pending worldwide



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