LifeStraw Family

Emergency water filter & purifier with virus removal. Ideal for household filtration


LifeStraw Family

LifeStraw Family is rated 3.8 out of 5 by 6.


Emergency water filter & purifier with virus removal. Ideal for household filtration

      • High performance technology removes viruses, bacteria parasites and microplastics
      • Emergency and survival water filter. Easy to store and highly durable, designed for longevity and harsh conditions
      • Lifetime of 4,755 gallons (18,000 liters), over 3 years of drinking water for a family of 5
      • Rigorous independent testing with WHO, US EPA, NSF and ASTM protocols
      • This product gives back: one product, one school child, one year of clean water

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Certified in the lab, tested around the globe

Over 1 million LifeStraw Family purifiers have been deployed to disasters and used in rural households across the world. It meets the highest standards for drinking water protection from both the US EPA and the World Health Organization.

High Performance Purification for years of safe water.

The LifeStraw Familys purification cartridge removes virtually all pathogens found in drinking water. It lasts 4,755 gallons thats more than 3 years worth of drinking water for a family of 5! [slider 1]

Our most popular purifier for emergency preparedness and survival

LifeStraw Familys high capacity, efficient packaging and simple design have made it a top choice for shelters, bug out bags and survival kits.

  • How it Works
  • Specs
  • Data & Evidence

How it Works

How It Works

Ultralight and portable, the LifeStraw Family filter and purifier makes contaminated water safe to drink. Over 13 million households worldwide have used the LifeStraw Family to purify drinking water in communities without access to clean water. This portable water purifier removes waterborne bacteria, parasites, viruses, and microplastics, and reduces cloudiness due to dirt and silt up to 0.02 microns. The LifeStraw Family will purify 4,755 gallons (18,000 liters) of contaminated water into safe drinking water, enough to supply a family of five with for three years.

The membrane ultrafilter removes:

• 99.999999% of bacteria (E. coli)

• 99.999% of parasites (Giardia, Cryptosporidium, etc.)

• 99.999% of microplastics

• 99.999% of viruses (Rotavirus, Hepatitis A, etc.)





  • Removes 99.999999% of Bacteria, 99.999% of Microplastics, 99.999% of parasites and 99.999% of viruses
  • Filter capacity: 18,000 L (4755 gallons)
  • Filter micron size: 0,02
  • Bucket capacity: 62 fl oz
  • Flow Rate: 12 L/h
  • Food grade materials (US FDA 21 CFR standards)
  • Weight: 18.69 oz
  • Bucket material: polypropylene
  • Hose length: 39.37”
  • Filter size: 12.59’’
  • Product length: 60.24”
  • BPA Free
  • Meets US EPA drinking water standards for virus, bacteria and protozoa reduction
  • Meets “highly protective” category from World Health Organization household testing scheme


Lab Information

We believe that responsible manufacturing includes creating and maintaining a strong evidence base for our product claims and their intended impacts. All products undergo rigorous independent testing to meet or exceed protocols established by the US Environmental Protection Agency (EPA) and National Sanitation Foundation (NSF) We also built and run an ISO accredited water laboratory based in Vietnam that does quality validation and testing of all of our new and existing products.


  • Membrane ultrafilter: 0.02 micron pore size. Removes 99.999% of viruses, 99.999999% of bacteria, 99.999% of parasites, and 99.999% of microplastics
  • Also removes silt, sand, and cloudiness
  • Meets US EPA drinking water standards for bacteria and protozoa reduction
  • Meets highest, 3 star category based on testing under the World Health Organization household water treatment performance scheme
  • Purifier lifetime: 4,755 gallons (18,000 liters)
  • Flow Rate:12 liters/hr
  • EPA Est. No. 95395-KOR-1
  • WARNING: Cancer and reproductive harm. Learn more


Rated 5 out of 5 by from So practical I bought this product in 2013 and have used it in our household of two. We live in the mountains in the Caribbean, and it turns the local river and rain water into clear purified water. Tastes great and still holding up as it is durable and well made.
Date published: 2018-11-21
Rated 3 out of 5 by from Functions Well but . . . I harvest rainwater for cooking and drinking. Needless to say I need a gravity water filter. Lifestraw does the job but has some shortcomings. I have owned 3 of these and continuously used this product for about two years now. The first added a gawd awful plastic odor to the water, returned it to Amazon and got another, in the interim got the idea to flush out the the system with a couple gallons of tap water. When I got the replacement I did just that, no odor. I give the product 3 stars for the following observations . . . It will not, does not filter the microscopic particles in tap water! The stats for Brita and Lifestraw are the same but Brita will take out half the particles while Lifestraw virtually none! I have spent 20 years of my 69 years in the U.S. Army. I've spent plenty of time in the sticks, jungle and desert. For the life of me I can't figure out the rationale for the 4 foot tubing! Cutting the tube and reattaching is pretty much impossible without a way to heat the tube to get back on. To me, a serious shortcoming!!! Replacement filters are not available! Why? The pre-filter mesh basket is a joke. Clogs easily!!! I substituted with a mesh coffee filter which I, thankfully, already had. Replacement pre-filters are also not available!! Dumb!!! Replacement tubing can be gotton at a hardware store, I guess. With all the parts that can't be replaced and no real guidance on how or when to clean it seems this item is ripe for mold collection in time.
Date published: 2019-01-03
Rated 4 out of 5 by from This is an amazing device! Literally a lifesaver First off...I don’t normally write reviews. But after reading Granpas review today I had to say something...After spending three months in the Philippines where clean water for cooking, cleaning and drinking is a truly scarce commodity I can safely say that the life straw family is superior in all ways that matters than a Brita. The statement that a Brita filter is better is misleading and dangerous. From the Brita site “The Brita® LONGLAST® filter is not intended to purify water. Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. Individuals requiring water of special microbiological purity should follow the advice of their doctor or local health officials regarding the use and consumption of their tap water and Brita filtered water.”. Lifestraw is a must for anyone going to a third world country, who has relatives there or for any flood victims this is far more practical than bottled waters on any kind of long term basis I don’t normally write reviews period todayAfter spending three months in the shopping we are clean drinking water is there into premium
Date published: 2019-07-03
Rated 5 out of 5 by from I love my Flex Any item from Lifestraw is no longer just for emergency preparedness or camping, it should be considered a household staple. I am comforted knowing my family is safe when drinking water from any tap.
Date published: 2019-01-04
Rated 1 out of 5 by from Increases the TDS The TDS rose by 20 ppm. There is no way that the water came out cleaner.
Date published: 2019-04-24
Rated 5 out of 5 by from Great way to get prepared Came in timely fashion looks like a great buy hopefully won’t have to use it anytime soon but great to have for emergencies
Date published: 2019-01-04
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Is the LifeStraw Family effective against cyanotoxins?

Asked by: Jackie273
To get the broadest range of protection, the carbon filters in select LifeStraw products with 2-stage filtration can absorb and reduce 80-85% of the remaining excreted extracellular toxins from the spore ruptures. The following LifeStraw products contain carbon filters in addition to hollow fiber membrane filters: LifeStraw Steel, LifeStraw Universal, LifeStraw Go with 2-stage filtration, LifeStraw Flex, LifeStraw Flex w/ Gravity Bag LifeStraw Play, and LifeStraw Home water filter pitcher.
Answered by: lifestraw
Date published: 2020-03-05

Will the Family model be available again? Page says "sold out" but no other info.

Asked by: Phil
This may not be available for a couple of weeks but it can still be purchased on Amazon.
Answered by: lifestraw
Date published: 2020-02-26

Does this product filter out pfos/pfas?

Asked by: Cait
This product does not filter PFAs.
Answered by: lifestraw
Date published: 2020-01-27

How can I clean the plastic tube attached to the filter?. It looks a bit green and dirty. Thank you?

Asked by: Leslie
If any mold or buildup is growing in the plastic hose connection, you can use a long, small stick/wire attaching with a soft brush/cotton bud to clean the inside of the hose with dishwashing detergent. Then rinse the hose thoroughly with tap water before reconnecting it again.
Answered by: lifestraw
Date published: 2019-10-05

Will this filter out salt?

Asked by: Sailinggypsies
Hi there! This will not filter salt of out water.
Answered by: LifeStraw Help Desk
Date published: 2019-03-19

After using the LifeStraw Family 1.0 Portable Gravity Powered Water Purifier, will freezing temperatures compromise it's filtering capabilities?

Asked by: DeClean
I'm sorry I haven't used my filter yet. Would you know if the filter contains any Carbon?
Answered by: Joseph
Date published: 2019-01-07

What are the physical dimensions of this version?

Asked by: Wolfie
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