SAVE 25%: As of Aug. 20, you can get the LifeStraw Peak Series water filter straw for just $18.74, down from $24.95, at Amazon. That’s a 25% discount and $6.21 in savings.

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Credit: LifeStraw

LifeStraw Peak Series

$18.74
at Amazon

$24.95
Save $6.21

Get Deal

Whether you’re hitting the trails or just building an emergency kit, a personal water filter can be a true lifesaver.

As of Aug. 20, you can get the LifeStraw Peak Series water filter for just $18.74 at Amazon, down from its usual $24.95. That’s a 25% discount, and while it isn’t an all-time low, it is the best price we’ve seen in the last 30 days. (It’s also a Mashable reader favorite.)

The LifeStraw is built to protect you from 99.999999% of bacteria (like E. coli and Salmonella), 99.999% of parasites (including Giardia), and 99.999% of microplastics. It also filters out silt and sand, and its enhanced design helps prevent clogging for a better flow rate.

It’s super lightweight, durable, and can be attached to most water bottles. Plus, the filter has an unlimited shelf life, so you can pop it in your emergency bag and forget about it. One filter lasts for up to 1,000 gallons — that’s enough drinking water for one person for over five years.