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SteriPEN
Classic 3 Handheld Water Purifier

4.551724137931035 out of 5 stars
29 Reviews
$99.95
Color:One Color

Size:

Quantity

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Why We Like The Steripen Classic 3 Handheld Water Purifier

One of our favorite wilderness essentials, the Steripen Classic 3 Handheld Water Purifier with Prefilter Bundle Pack uses shortwave ultraviolet light to disinfect our backcountry drinking water. The Steripen system disrupts the DNA of harmful bacteria, viruses, and protozoa so they won't infect us on our adventure or afterward. The Prefilter screws onto 63mm-thread bottles, creating a tight seal that removes particles and debris from the water.


Details

  • UV light water purifier with updated ergonomic design
  • Takes between 45 and 90 seconds to treat a water bottle
  • Each lamp will treat up to 8000 bottles of water
  • Item #HYDH01B
Purifying Element
UV light
Eliminates
bacteria, protozoa, crysts, viruses
Treatment Time
[0.5L] 48sec, [1L] 90sec
Battery
4 AA
Battery Life
batteries not included
Lamp Life
lifetime (8000 activations)
Dimensions
0.29 x 0.07 x 0.07in
Claimed Weight
6.3oz
Activity
travel, hiking, camping

What do you think about this product?

Overall Rating

4.5 based on 29 ratings

Review Summary

1 Stars - 2 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 5 reviews
5 Stars - 22 reviews

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4 out of 5 stars

October 22, 2025

Clean water

Wasn’t working great when I first started using it maybe it was the battery or how cold it was because we were up sheep hunting and malfunctioned a few times.

Brent W
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

October 10, 2025

Great little back up for back-packing

I really like this Steripen, the ability to use fresh batteries makes it easier to swap out power source, instead of relying on an internal rechargeable battery.

John N
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

October 7, 2025

Great for emergency pack

These steripens take up very little space in my emergency packs and are worth their weight in gold in an emergency. They are foolproof to use and get you safe drinking water in 90 seconds.

Jon K
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

October 6, 2025

Handy, very useful. Great protection against harmful contaminants

Rob H
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

September 26, 2025

In case of emergency and outdoor fun.

I like that this will kill the viruses and bacteria in my drinking water. Even wheb water looks clean it may not be so this will give you peace of mind. I like that it used AA batteries that are easy to come by and accessible. Great for emergencies and for when hiking or camping or even traveling.

David T
ExpertVoice.com

Originally reviewed on ExpertVoice.com

4 out of 5 stars

September 25, 2025

pretty cool water tool

This seems to work pretty well... I'm planning on testing some creek water, before and after to see how it really holds up before I take it on the trail. The price was great and it doesn't seem easy to come by in the retail space. I would say it's a good find! I'd reccomend this to anyone who camps/hikes.

Katelyn D
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

September 23, 2025

Efficient and Effective

Used this for 5 weeks on the GDMBR. Found the Classic 3 Purifier to be easy to use and effective. I have dealt with Giardia twice in my life. As a result, I very particular about my water treatment system. After considerable research and an understanding of water quality on the GDMBR, I decided this device would work for me. That said, I do have a couple of complaints. First is that you can only treat 1 liter of water at a time. This results in a longer process when have to purify multiple liters of water. The other is the lack of a battery life indicator. After a month of use the batteries were done and I was left with my primary purifying tool until my next resupply. Despite these complaints, I found this to be a great tool while bike packing; highly recommend.

ed c
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

September 20, 2025

Great product but…

Make sure you keep any eye on the batteries. The button can activate in your backpack and kill the batteries. I take the batteries out of mine after each use so I don’t get in a bind again. Other than that the unit has worked flawlessly

Ryan M
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

September 16, 2025

Great Addition to my Hunting Kit

I got this because some places I hunt there are Cattle leases. The Sawyer squeeze filter left me worried about viruses in the creeks. Adding this on gave me piece of mind and it works great and is easy to use for anyone.

Jordan W
ExpertVoice.com

Originally reviewed on ExpertVoice.com

1 out of 5 stars

September 13, 2025

Useless

I hated this piece of junk, I threw it away after a couple uses. It felt flimsy and cheap and over all I was not impressed.

Eli A
ExpertVoice.com

Originally reviewed on ExpertVoice.com