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This product is no longer available, but don't go just yet.


  • Hollow-fiber filter membrane offers a high flow rate; sip on the straw and it filters the water while it's on the way to your mouth
  • 0.2-micron filter physically removes 99.9999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.9% of all protozoa such as giardia and cryptosporidium
  • Detachable filter is effective for cleaning up to 264 gallons before needing replacement; bottle can be used indefinitely
  • BPA-free Tritan® plastic bottle is lightweight and durable; leakproof lid and durable, flexible mouthpiece detaches for easy cleaning
  • 22 fl. oz. LifeStraw Go Filter Bottle includes a carabiner for easy carrying


View all LifeStraw Water Filter Bottles

REI membership


Best Use Travel, Backpacking
Filter Type Bottle
BPA Free Yes
Dimensions 3 x 9 inches
Weight 7.8 ounces

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100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

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At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more