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  • SteriPEN Sidewinder Hand Powered UV Water Purifier
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SteriPEN Sidewinder Hand Powered UV Water Purifier

33 customer reviews
| 3 answered questions

List Price: $99.95
Price: $85.00 & FREE Shipping. Details
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Only 1 left in stock.
Sold by PORTER MARKET and Fulfilled by Amazon. Gift-wrap available.
  • Hand-powered, battery and chemical-free ultraviolet water purification system
  • Comes with Tritan BPA-free water bottle and a SteriPen Pre-Filter for particulate removal
  • Effectively destroys waterborne microbes from one-liter of water in 90 seconds without chemicals; provides 8,000 treatments
  • Designed for use with your left or right hand: fill it--crank it--drink it
  • Recipient of the Water Quality Association (WQA) Gold Seal, certifying that SteriPen purifies water safely and effectively
15 new from $60.00
$85.00 & FREE Shipping. Details Only 1 left in stock. Sold by PORTER MARKET and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

SteriPEN Sidewinder Hand Powered UV Water Purifier + SE FS374 Magnesium Fire Starter
Price for both: $88.89

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Product Description

Product Description

SteriPEN is the world's leading manufacturer of ultraviolet, handheld water purifiers. SteriPEN water purifiers quickly and easily make safe drinking water available for travel, outdoor recreation, and emergency situations at a fraction of the cost of bottled water. SteriPEN Adventurer Opti's ultraviolet (UV) lamp destroys over 99.9 percent of harmful microorganisms in water. UV purification works as the cells of microbes absorb ultraviolet energy emitted by the lamp so they can't reproduce to make you sick. The SteriPEN Sidewinder features our proven UV system to destroys waterborne bacteria, viruses and protozoa such as giardia and cryptosporidium. This hand-powered system can save thousands of plastic bottles from entering landfills. The long lasting Sidewinder purification system includes a one-liter Tritan™ BPA-free bottle and SteriPEN® Pre-Filter for use prior to treatment if the water contains particulates. This long-life, storable water purifier provides 8,000 treatments is ready for emergency situations whenever the fresh water supply is disrupted. With the SteriPEN Sidewinder, you can crank up safe drinking water anywhere, anytime. Handpowered, Battery-Free UV Water Purifier. Fill it, Crank it, Drink it! Perfect for Campers or Emergency use. SteriPEN® Sidewinder, the first portable UV water purifier to require no batteries, purifies 1 liter of water in 90 seconds. Includes water bottle, instructions and 3-year limited warranty.

Amazon.com

Designed to liberate you from batteries and chemicals, the SteriPen Sidewinder Water Purifier relies on hand-power and ultraviolet light to remove 99.9 percent of water born pathogens. This long-life, storable water purifier is ready for situations whenever the fresh water supply is disrupted. Well suited for camping, hiking, backpacking, traveling, or emergency use, the Sidewinder comes with the SteriPen Pre-Filter to remove sediment and particulate and a BPA-free Tritan water bottle.

SteriPen Sidewinder Water Purifier:
With the Sidewinder, you can crank up safe drinking water anywhere, anytime--simply fill it, crank it, and drink it. The first portable ultraviolet (UV) water purifier that requires no batteries available, the SteriPen Sidewinder purifies one-liter of water in 90 seconds. Featuring SteriPen's UV system that destroys waterborne bacteria, viruses, and protozoa such as giardia and cryptosporidium, the Sidewinder offers a usable life of 8,000 one-liter water treatments.

SteriPen Pre-Filter:
The SteriPen Pre-Filter is designed to filter out particulates and sediment from your water before you apply the UV purifier. The Pre-Filter has a 4x4-micron filter screen that sifts sediment and small particulate matter out of the water. The screen is held within a cartridge with an air vent at the top and allows for either pour through or immersion methods to filter the water. Once the water is cleared, the water purification process employed by the SteriPen UV water purifier will be more effective.

Sidewinder Features and Specifications:

  • UV light destroys 99.9 percent of waterborne microbes
  • Hand-Powered, battery-free operation
  • Disinfects 1 liter (32 ounces) in approximately 90 seconds
  • Weight: 471 grams (16.6 ounces)
  • Dimensions: 8.6 by 5.5 by 3.8 inches / 21.8 by 14 by 9.7 centimeters
  • UV Lamp life: 8,000 one-liter treatments

About SteriPen Ultraviolet (UV) Water Treatment:
The ultraviolet (UV) water treatment method has now been used for over one hundred years, and is currently used to purify drinking water by some of the largest cities in North America, Europe, and Asia, including Seattle, Washington and Tempe, Arizona. Ultra violet light is also used by bottled water manufacturers to purify their source water.

The EPA officially recognized the use of UV water treatment as a proven, viable technology in 1996. In a simple but effective process, UV purification destroys over 99.9 percent of harmful microorganisms in drinking water. The UV energy emitted by the light is absorbed by the cells within potentially harmful microbes. The UV energy breaks down the cells' ability to reproduce DNA--making it impossible for them to reproduce and make you sick.

Thousands of outdoor enthusiasts all over the world have trusted SteriPen for many years. Introduced to hikers and campers at REI in 1999, Time Magazine named the SteriPen one of the "Best Inventions of the Year" in 2001. SteriPen's speed, effectiveness, and portability have impressed end users and media alike. Backpacker Magazine, Newsweek, and the Today Show have featured SteriPen as a powerful, user-friendly alternative to pumps, chemicals, and filters.

SteriPen products have been tested by the Water Quality Association (WQA) against the US EPA Microbiological Water Purifier Standard. SteriPen has received the WQA's Gold Seal, certifying that SteriPen purifies water safely and effectively.


Product Details

  • Product Dimensions: 8.5 x 4 x 5.5 inches ; 1 pounds
  • Shipping Weight: 2 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Origin: China
  • ASIN: B0046RES06
  • Item model number: SIDE-SYS
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (33 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

63 of 63 people found the following review helpful By LouieLouie on February 17, 2011
It is definitely larger than its battery powered siblings. The surprising downside is that it must be cranked for 180 revolutions at 120 rpms to make the green led light up telling you that you have purified one liter of water. I found it a workout for an old guy with a bad ticker, but its doable. The instructions are quite explicit if you are the sort of person who reads instructions. It has an internal counter that tells you when the bulb needs replacing. The generating mechanism needs to be kept dry and out of the dust and grit. The little prefilter in the bottle cover to clarify turbid water is ingenious, but finding a clean rag to wipe the threads off might be challenging in the field. Remember to replace the bulb protector sleeve before putting the thing away. The bulb looks fragile. This company has recently patented a UV LED process that should be the answer to all the world's problems. I should be content for the next 8'000 liters with the old technology.
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33 of 33 people found the following review helpful By LR on June 19, 2012
Verified Purchase
I ordered this product because I plan to live in a developing country for at least 6 months - and instead of buying bottled water or boiling water, I figured this could be a useful way to get drinking water. I got the manual one because I've used the battery-operated steripens before and they eat through batteries relatively quickly.

The product arrived fine - it took me a bit of time to figure out how to assemble it (the filter part especially is a bit tricky) but I eventually got it to work. I've been using it for 3 weeks now, and it is a pretty awesome product. Getting the green light to come on actually takes more like 2 minutes of cycling rather than the 90 seconds specified in the manual which can get your arms pretty tired (just think of it as a mini-workout for your arms!), but I have not gotten sick and the bottle itself is a nice bottle to carry around (handle on the lid is convenient).
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17 of 17 people found the following review helpful By K on February 18, 2014
Who needs batteries. This has a built in generator to power the electronics, which is perfect for those times when you need sterilized water and need to save your batteries for other items (may it be while camping for extended time, or during emergencies). I purchased two of these and tested them both. They both worked without any issues.

As for the ability to crank these things for the 90 seconds, I had no issues. Let me tell you why...
At first, I cranked it as shown in the video. This would be with the crank on the side and my entire arm moving the crank (shoulder and elbow joints moving). This did become a bit tiresome quickly. Noticing this, I rotated the unit so that the crank was directly facing me. I then rotated the crank so that only my elbow join was moving. This was much easier to crank (using a stronger muscle) and I was easily able to finish cranking through the 90 seconds and also do another liter of water for another 90 seconds. For people struggling to crank through the 90 seconds, try rotating the unit and crank it from the end.

I recommend this to everyone.

Now my only small issue is that the bulb is good for 8000 usages, after which I cannot purchase replacement bulbs. The company will not sell them because they claim a special technician is required, so you must send the entire unit to them so they can replace it for you at $20 plus shipping (cost at the time of writing, may go up or down). I am an engineer/electrician for trade and am sure I can replace the bulb myself. Still, I cannot purchase the bulbs as they won't sell them to me. My guess is that they are holding onto an extra way to make more money.
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29 of 32 people found the following review helpful By Happy Shopper on May 25, 2011
Verified Purchase
The side winder is a fantastic product. A purifier requiring no batteries that kills even viruses, something few others do. Its the details that make this purifier so great. A sensor only allows the light to function if there is water inside, another lets you know if you are cranking to slow and when you have purified the water. Even the crank can be folded into the body for a slimmer profile when stored away. The included prefilter for removing sediment and the ability to use the sidewinder with any wide mouth nalgene bottle make this the coolest piece of gear I am taking on my next trek.
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19 of 20 people found the following review helpful By Brian Thomas on August 21, 2012
Verified Purchase
I bought the SteriPEN Sidewinder for emergency use at home and for backpacking. I took it on a backpacking trip in CO and it worked very well. My only complaint is that it's a bit bulky for hiking, but it's not overly heavy.

Some reviews have complained that it's hard or tiring to crank for the required duration (about 90 seconds). I didn't have a problem with this at all. I used it several times consecutively to fill cook pots and water bottles. After several uses within a few minutes my arm was tired, but I thought it was pretty easy to use, especially if you don't need to fill several bottles at once.

It was very handy having this along backpacking, since I could simply pull it out whenever we crossed a stream and within a couple of minutes have clean water. Much preferred over tablets that take hours to use. I like that it doesn't need batteries, so they'll never wear out!

Overall, a very good product, but be aware that it's a bit on the large side for backpacking. If size is an issue, SteriPEN makes much smaller units that use batteries.
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