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LifeStraw Personal Water Filter

3,364 customer reviews
| 273 answered questions

List Price: $25.00
Price: $19.95 & FREE Shipping on orders over $35. Details
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  • Award-winning LifeStraw has been used by millions around the globe since 2005
  • Removes minimum 99.9999% of waterborne bacteria (>LOG 6 reduction) and surpasses EPA standards for water filters
  • Removes minimum 99.9% of waterborne protozoan parasites (>LOG 3 reduction) and filters to an amazing 0.2 microns
  • Filters up to 1000 liters of contaminated water WITHOUT iodine, chlorine, or other chemicals
  • Comes in a sealed bag, perfect for storing for emergencies
36 new from $19.75 3 used from $16.96
$19.95 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

LifeStraw Personal Water Filter + Fantastic Wind & Waterproof Survival Matches: 2 Packs of 20 Matches Each In Waterproof Containers = 40 Matches & Two Waterproof Holders! + SE FS374 Magnesium Fire Starter
Price for all three: $27.04

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Technical Details

Product Description

Product Description

A Time Magazine Invention of the Year winner, LifeStraw contains no chemicals, no batteries and no moving parts to wear out. It features a high flow rate and weighs only 2oz. It is perfect for the Ultralight backpacker, camper, hiker, traveler, boy scout, hunter or for emergencies. Unlike many similar filters on the market today, LifeStraw has met EPA standards for water filtration in independent testing. LifeStraw has been used around the world under extreme conditions for humanitarian relief. Does not filter chemicals, salt, viruses, heavy metals, taste. Please NOTE: It takes roughly 3-5 seconds of sucking to start the flow of water through the filter.

From the Manufacturer

LifeStraw offers easy access to clean and safe drinking water anywhere!

A Time Magazine “Invention of the Year” winner, LifeStraw is the most advanced, compact, ultralight personal water filter available. LifeStraw contains no chemicals or iodinated resin, no batteries and no moving parts to break or wear out. It features a high flow rate and weighs only 2oz. LifeStraw is perfect for the ultralight backpacker, traveler, boy scout, hunter, and especially for emergency preparedness.

LifeStraw is perfect for the ultralight backpacker
LifeStraw is perfect for the ultralight backpacker
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Chosen by leading NGOs for humanitarian relief worldwide
Chosen by leading NGOs for humanitarian relief worldwide
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LifeStraw filters to 0.2 microns through the use of hollow-fiber membranes, which are small tubes with even smaller pores. These pores allow water to pass, but prevent contaminants larger than 0.2 microns from flowing through. As you get closer to 264 gallons (1,000 liters), the pores will eventually become clogged with debris and the flow will stop.

LifeStraw is the water filter chosen by leading NGOs for humanitarian relief worldwide since launch in 2005. LifeStraws have been sent to Africa, Pakistan, Haiti, and South America for disaster aid, and a portion of domestic sales support this donation program. LifeStraw has only been available in North America since 2011, when excess inventory has allowed it.

How To Use the LifeStraw Water Filter

Filtering your drinking water could not be simpler. With LifeStraw you can drink directly from puddles or streams, or you may find it easier to scoop water with your wide-mouthed water bottle and drink from it using the LifeStraw. When new, the filter membrane is very dry and must be primed before use. Uncap the top and bottom caps and insert the base of the straw into the contaminated water, being careful to keep the mouthpiece dry. Let it sit for 30 seconds to allow water to creep up the membrane, then take 5 quick sucks to get the water flowing. It takes roughly 3-5 seconds of sucking to start the flow of water through the filter when the membrane is dry.

When finished drinking, blow a breath of air back down into the LifeStraw to purge the remaining water out, shake, and recap. If you drink from murky water and the water flow stops, blow back into it to purge the water and mud from the filter. When you return home from a hiking trip, drink some tap water with the LifeStraw, purge the filter by blowing back into it, and leave it to dry with the caps off.

The LifeStraw will not desalinate salt water, remove dissolved chemicals or minerals, nor remove viruses. If drinking from water which may have viruses in it (e.g. contaminated by human sewage), pre-treat with water treatment tablets. See the included instruction manual for more information.

Additional Features:

  • No after-taste. LifeStraw has no after-taste, since no chlorine, iodine or other chemicals are used.
  • No waiting time. You can drink from your LifeStraw right away. There is no need to wait for water to drip or chemicals to act.
  • LifeStraw meets or exceeds EPA standards for efficacy. LifeStraw was successfully assessed in laboratory conditions (harsher conditions than what is required by the EPA in terms of turbidity and organic matter), up to 1600 liters (approximately 160% of design life). Independent testing at the University of Arizona showed that LifeStraw exceeds the EPA requirements of LOG 6 reduction for bacteria and LOG 3 reduction for protozoan parasites.
  • Bacteria removed include: Escherichia coli (“E. Coli”), Campylobacter, Vibrio cholerae (“Cholera”), Pseudomonas aeruginosa, Shigella, Salmonella.
  • Protozoa removed include: Giardia lamblia (“Beaver Fever”), Cryptosporidium parvum (“Crypto”), Entamoeba histolytica.
Drink directly from puddles or streams
Drink directly from puddles or streams
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Awards and Accolades
  • ‘One of the ‘Ten Things That Will Change The Way We Live’ Forbes (February 2006)
  • ‘Invention of the Century’ Gizmag (December 2005)
  • ‘Innovation of the Year’ Esquire (December 2005)
  • ‘Europe’s Best Invention’ Reader’s Digest (July 2006)
  • ‘Best Invention of 2005’ Time (November 2005)
  • 2008 Saatchi & Saatchi Award for World Changing Ideas
  • ‘INDEX: 2005’ International Design Award
  • ‘Well-Tech 2006’ Innovation Technology Award
Features
  • Drink directly from streams, or from a wide-mouth water bottle
  • Removes a minimum of 99.9999% of waterborne bacteria (>LOG 6 reduction)
  • Removes 99.9% of waterborne protozoan parasites (>LOG 3 reduction)
  • Surpasses EPA guidelines for E. coli, Giardia (beaver fever), and Cryptosporidium oocysts, and many others.
  • Reduces water turbidity, filters particles of approximately 0.2 microns.
  • Filters up to 264 gallons (1000 liters) of contaminated water per manufacturer.
  • Contains no chemicals. Does NOT contain iodinated resin (iodine): safe for your thyroid gland. BPA-free.
  • Will not allow water to flow when it reaches capacity.
  • The choice of NGOs for worldwide humanitarian relief since 2005. A portion of sales goes to support clean water projects worldwide.


Product Details

  • Product Dimensions: 1 x 1 x 9 inches ; 1.8 ounces
  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Origin: Korea, Republic of
  • ASIN: B006QF3TW4
  • Item model number: LSPHF017
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (3,364 customer reviews)
  • Amazon Best Sellers Rank: #1 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

1,035 of 1,083 people found the following review helpful By PowderKeg on May 17, 2013
Verified Purchase
If you camp out a lot, or simply prepared to bug out.....then this is for you. I will be buying more, just for bartering, especially when SHTF.......!

One item you can add to this.....paper coffee filters (cone type) are inexpensive. Place one over the bottom of the water filter with a wide rubber band and it will protect the filter with a lot less cleaning. The Water Filter will last 2X as long and cleaner water to drink!

UPDATE - 2-13-2015....

I have now used this camping several times. Now, I use a Portable Siphon Hand Liquid Transfer Pump with this unit. I can now add water to my pots, pans or my 3L water pouch easily. The suction usually will draw water for about 20 seconds; 2 cups of water in about a minute with the Transfer Pump!
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323 of 334 people found the following review helpful By Charlie on May 11, 2014
Verified Purchase
I frequently hike and camp in the backcountry all over the United States. Carrying the amount of water that I need to survive during these trips is just not feasible due to the weight. In the past I always carried a General Ecology First Need XL water purifier and refilled nalgene bottles with it. Since getting a LifeStraw I most likely won't be doing that any longer since the LifeStraw is smaller and lighter than the First Need XL. I recently took a LifeStraw out for a test on a backcountry hike in the Rocky Mountains. Every stream, lake, or other water source that I came across I stopped for a drink. I was drinking fresh snow melt and also from lakes that are home to beavers and other wildlife. There was no added taste to the water and I didn't get sick during or after the trip.

The one draw back to the LifeStraw is that it does take a bit of suction to start and keep the water flowing. When you're at high altitudes in the mountains this leads to longer "drink breaks" since you can get winded pretty easy while trying to suck up water through the LifeStraw. However, its size and weight advantages when hiking mountainous terrain vastly out weigh this minor drawback.

Overall, the LifeStraw is awesome and I recommend it to every backcountry hiker that I know.
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763 of 829 people found the following review helpful By attaboyBrad on January 10, 2012
Verified Purchase
For the weight, I believe there is no better backcountry water treatment available. The LifeStraw imparts no strange flavors like its chemical brethren, its flow rate is perfectly acceptable for active pursuits, it has no moving parts to break or filters that need replacing every couple of days, and it does all this at a fraction of the cost and weight of other Filter and UV water treatment options. Besides, what other water treatment system has been tested successfully by people on a daily basis in the most contaminated parts of our planet?
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147 of 157 people found the following review helpful By NoBias on September 10, 2013
Verified Purchase
I was heading out to Grand Teton National Park for a week and was looking to buy a water filter. I was surprised at how expensive many of them were! Seeing as how I am a casual hiker, I did not need a $100+ water filter. I just needed something for long day hikes where I would likely drink all of the water I had brought along. This water filter was perfect for that.

I filled up two nalgene bottles and once I drank the first, if I needed more water I filled the empty at the nearest water source and the life straw worked perfectly for sipping along the trail.

One word of caution, if you have a nalgene with a narrow mouth opening, the life straw WILL NOT fit so make sure you have a wide enough opening. The description shows a 1 inch diameter but there is a plastic cover on the bottom to protect the filter that is attached by a thin piece of plastic. I uploaded a photo showing the LifeStraw trying to fit in a narrow mouth nalgene. As you can see it does not fit and even if you cut off the plastic piece it is still too thick, at least for the nalgene in the photo.
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442 of 485 people found the following review helpful By nicholas marksberry on April 19, 2014
Verified Purchase
As soon as I got this thing in the mail I went straight to the nastiest, most contaminated thing I could find. There just happened to be a sink full of soaking dishes that worked just fine. Couldnt taste a thing. I even spit some of the water out and it was nice and clear. Im going hiking soon and going to test it on some stagnant water when we find it, and I've given instructions to lower this rating down to 1 star if I die.
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1,004 of 1,120 people found the following review helpful By JP on July 18, 2012
Verified Purchase
Just got back from a trip to Nepal and Cambodia. I used life straw dozens of times. Most notably while I was in the jungles of Cambodia I found myself dangerously dehydrated and my two water bottles were already empty. There was NO SAFE WATER for me to drink. I did eventually stumble onto a well used by some monks. After figuring out how to prime and pump up the water I used the life straw to drink my fill. I was so relieved, I was miles from the nearest bottle of water and I managed to get my drink on. I didn't have to take a risk that would have put me in an awful situation (severe diarrhea) , and it only cost me $25 and the weight of the straw is negligible.

In fact, I've decided that whenever I'm leaving the country to take this guy with me. Why not?
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307 of 353 people found the following review helpful By americanairman on August 20, 2012
This product is hands-down the best filter out there!

I bought mine at Bass Pro Shops for $19.99, but it happened to be one of the older 3 year shelf life straws, which could explain the price difference(Was manufactured in May).

It takes a second to get the water flowing, and its not easy to "blow out" the water as it recommends, but this thing works great!

My favorite feature is that, when it can't filter water anymore, it just STOPS LETTING YOU SUCK WATER THROUGH IT. Amazing, right? No guesswork...just get a new one ever 3/5 years, and use it till it stops working.

Note: Its a little hard to blow water out, but not impossible. If you find yourself blowing and not getting ANY air out, its cause it sealed itself(however that works) and isn't gonna let any more air pass through, you've gotten enough out already. Don't waste your effort trying to get the last few drops out, it won't happen.
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LifeStraw Personal Water Filter
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