What contaminants does the LifeStraw Peak Series Gravity Purifier Replacement Filter remove?

The Ultrafilter Membrane protects against viruses (Rotavirus, Hepatitis A), bacteria (including E.coli and Salmonella), parasites (including Giardia and Cryptosporidium), microplastics, sand, dirt, and cloudiness.

What is the flow rate of the LifeStraw Peak Series Gravity Purifier Replacement Filter?

The filter has a high flow rate of 30L/hr from gravity with no pumping or external energy source required.

What is included with the LifeStraw Peak Series Gravity Purifier Replacement Filter?

The package includes a 1.2m hose, Ultrafilter membrane, and an adapter to enable direct filling of water bottles with 28mm standard threading.

What is LifeStraw's Give Back program?

For every product sold, a child in need receives safe drinking water for an entire year through LifeStraw's Give Back program.

What is LifeStraw's shipping policy?

LifeStraw offers free shipping on orders $75+ (US lower 48 only).

What is LifeStraw's return policy?

LifeStraw offers 45-day returns on unused items in original condition (US lower 48). Free return shipping is available for eligible returns. Not returnable: discounted/promo or bundle items, final-sale or limited editions, and products $300+. Refunds are issued 7–10 business days after inspection.

Is LifeStraw a certified B Corp?

Yes, LifeStraw is proud to be a B Corp and Climate Neutral Certified brand.

What makes LifeStraw different from other water filtration brands?

LifeStraw combines high-protection, rigorously tested water filtration products with an embedded Give Back impact model. For every product sold, a child in need receives safe water access for an entire year. LifeStraw emphasizes standards-aligned testing, transparency, and real-world performance.

Are there any risks of bacterial growth when using the filter intermittently?

Following proper storage directions for the Gravity Purifier when not in use will help ensure your device works correctly when taken out of storage and is disinfected properly.

Can this filter be attached to bags smaller than 8L?

The Peak Series Gravity Purifier's interface is compatible with all Peak Series bags and bladders, including the 3L bag and squeeze bottles. This may affect the filtration speed, but it will work.

LifeStraw Peak Series Gravity Purifier Replacement Filter

$84.95

REMOVES VIRUS, BACTERIA + PARASITES: the Ultrafilter Membrane protects against viruses (Rotavirus, Hepatitis A), Bacteria (including E.coli + Salmonella), Parasites (including Giardia and Cryptosporidium), Microplastics, sand, dirt, and cloudiness HIGH FLOW RATE: 30L/hr from gravity...

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1 Purchase = 1 Year of Clean Water for 1 Child.

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REMOVES VIRUS, BACTERIA + PARASITES: the Ultrafilter Membrane protects against viruses (Rotavirus, Hepatitis A), Bacteria (including E.coli + Salmonella), Parasites (including Giardia and Cryptosporidium), Microplastics, sand, dirt, and cloudiness
HIGH FLOW RATE: 30L/hr from gravity – no pumping or external energy source required.
LONG LASTING: The ultrafilter membrane has a lifetime capacity of 18,000 liters – about five years of safe drinking water for a family of five
INCLUDES: 1.2m hose, Ultrafilter membrane, adapter to enable direct filling of water bottles with 28mm standard threading
LifeStraw is proud to be a B Corp and Climate Neutral Certified brand,
For every purchase, a child in need receives safe drinking water for an entire year

Free shipping on orders $75+ (US lower 48 only)
45-day returns on unused items in original condition (US lower 48).
Free return shipping for eligible returns (US lower 48).
Not returnable: discounted/promo or bundle items, final-sale or limited editions, and products $300+ (defects covered by warranty).
Refunds issued 7–10 business days after inspection to your original payment method.
Bought elsewhere? Returns must go back to that retailer.

Original shipping, duties, and re-shipping for undeliverable packages aren’t refundable.

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