The SteriPEN purifier is the only portable water purifier that uses ultraviolet (UV) light to destroy waterborne microbes. Whether your source is a woodland brook or an overseas hotel tap, SteriPEN sterilizes clear water by destroying viruses, bacteria and protozoa—including Giardia and Cryptosporidium—in seconds. Carry a SteriPEN to disinfect water wherever you travel, hike, camp or trek. It’s the fastest route to pure, safe drinking water anywhere.

Weight: 3.7 oz. without batteries. (6.5 - 8 oz. with batteries, depending on type)

Dimensions: 7.6" (L) X 1.5" (W) X 1.5" (H)

Battery: 4 disposable or externally rechargeable AA batteries.

# of expected uses for 16oz. of water

Lithium Disposables - 140

NiMH (Nickel Metal Hydride) - 100

Alkaline - 40-60

When used as directed, SteriPEN

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

Operating the SteriPEN™ PDF (Click here)

Proven Technology in the Lab

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

When used as directed, SteriPEN™:

• 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™:

• 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

Microbiological testing conducted by the following institutions:

• University of Arizona, Tucson
• University of Maine, Orono
• Oregon Health Sciences University, Portland