The LifeStraw Peak Series Gravity Purifier Replacement Filter is engineered for people who need uncompromising protection—whether you’re deep in the backcountry, preparing for emergencies, or ensuring your family’s daily water is safe. This ultrafilter membrane filter removes viruses (including Rotavirus and Hepatitis A), bacteria (such as E.coli and Salmonella), parasites (like Giardia and Cryptosporidium), as well as microplastics, sand, dirt, and cloudiness. With a high flow rate of 30 liters per hour powered by gravity, it delivers safe water quickly and efficiently—no pumping or electricity required.
Built for longevity, the filter provides up to 18,000 liters of clean water (about five years for a family of five) and comes with a 1.2m hose and adapter for direct bottle filling. Every purchase is purpose-driven: through LifeStraw’s Give Back program, each filter sold supports a year of safe water for a child in need. LifeStraw stands apart with rigorous, transparent testing—products are validated against protocols from the World Health Organization, US EPA, NSF International, and the Water Quality Association. As a certified B Corp and Climate Neutral Certified brand, LifeStraw’s commitment to people and planet is at the core of every product.
Frequently Asked Questions
What contaminants does the LifeStraw Peak Series Gravity Purifier Replacement Filter remove?
* The filter removes viruses (Rotavirus, Hepatitis A), bacteria (including E.coli, Salmonella), parasites (Giardia, Cryptosporidium), microplastics, sand, dirt, and cloudiness.
How long does the filter last?
* The ultrafilter membrane is rated for 18,000 liters—about five years of safe drinking water for a family of five.
What is included with the replacement filter?
* The package includes a 1.2m hose, the ultrafilter membrane, and an adapter for direct filling of water bottles with 28mm standard threading.
How is LifeStraw’s testing different from other brands?
* LifeStraw products are independently lab-tested and validated to standards set by the WHO, US EPA, NSF, and WQA. The company operates an ISO-certified in-house water lab and partners with external accredited labs for certifications.
How does my purchase make a difference?
* For every LifeStraw product sold, a child in need receives access to safe drinking water for an entire year through the brand’s Give Back program. Learn more
LifeStraw products have a history of use in some of the harshest conditions around the world, from refugee camps to natural disasters to extreme back-country, our products have to work because lives depend on them. Our testing and transparency is unparalleled and we use the most trusted performance criteria based on protocols established by the World Health Organization, the US EPA, NSF International and the Water Quality Association.
