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LifeStraw Peak Series – Membrane Microfilter Replacement


The LifeStraw Peak Series Membrane Microfilter Replacement is now available. This ultra-light filter pairs with any of the Peak Series systems including the collapsible squeeze bottle, gravity water filter systems, or can be used as a stand-alone straw. Removes bacteria and protozoa and reduces organic chemical matter, microplastics, and chlorine.

In stock


LifeStraw Peak Membrane Microfilter Replacement

This is a membrane replacement filter for the LifeStraw Peak Series systems including the Peak Gravity Filter System and the squeezable LifeStraw Flex.

Extend the life on your LifeStraw Peak Series filter systems by simply changing the filter!

Replacing the filter in your LifeStraw Peak filters is quick and easy to do. Simply unscrew the top cap from the bottle and gently remove the filter. Discard the used one.

Insert the new filter into the cap and then screw the cap back into place.

Features & Benefits

Ultra-light and compact, these filters give new life into your existing Peak series water filters. These filter replacements are a great addition to your kit, whether for camping or emergency preparedness, you’ll have access to purified water wherever you go. The design of this filter has been updated by LifeStraw to optimize flow rate- meaning better performance against sand and silt while maintaining great flow for the long haul.  You can also use this filter as a stand-alone straw.

Membrane filter compatible with all LifeStraw Peak Filter Systems

Uses advanced hollow fiber membrane technology (0.2 microns) to remove water-borne bacteria and protozoa up to 500 gallons (2,000 liters)
Water will stop flowing through once the filter has reached it’s lifetime capacity
Meets US EPA & NSF P231 drinking water standards
Available in Black


99.99999% of water-borne bacteria (> LOG 6 reduction), including E-Coli
99.999% of water-borne protozoan parasites (>LOG 3 reduction), including Giardia & Cryptosporidium
99.999% Microplastics, silt, sand and cloudiness


Up to 500 gallons (2,000 liters) for the fiber membrane

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