
LifeStraw Family
LifeStraw
Gravity purifier rated for 4,755 gallons with virus removal and no power or chemicals.
LifeStraw Family costs $54.95 in LifeStraw's own US store, checked on October 6, 2026.
Where to buy in
Price in the maker's own store, checked October 6, 2026. Amazon prices change often, so we link without a price.
What you get
A hanging gravity unit sized for a household rather than one person. The maker lists 99.999% virus removal alongside bacteria and parasites and says it reduces lead. Flow is rated at 3.1 gallons per hour.
- Virus removal (purifier)
- No electricity or chemicals
- Sized for households
Pros and cons of the LifeStraw Family
Pros
- Virus removal at a rated 99.999% puts it in the purifier class on this list.
- Rated for 4,755 gallons so one unit covers a household for a long stretch.
- Runs on gravity alone with no electricity or chemicals.
Cons
- Flow of 3.1 gallons per hour means filling takes patience compared with a squeeze bottle.
Specs
- Type
- gravity purifier
- Filter lifemaker's rating
- 4,755 gal (18,000 L)
- Removes
- 99.999% viruses, 99.999999% bacteria, 99.999% parasites, microplastics; reduces lead
- Weight
- 1.17 lb (0.53 kg)
Why it scores 8.6
8.6/10
Shortlist score. How it is calculated
Emergency features
- Removes bacteria and protozoa
- Also removes or kills viruses
- Filter life or capacity listed by the maker
- Tested to a named standard
- Works without power
Tester picks
Search demand
Number 14 of 20 on this shortlist for Google searches by model name.
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