What are some popular brands for portable water filters at REI?

The top brands for portable water filters include: LifeStraw Katadyn Platypus MSR HydraPak Browse our selection of top outdoor gear and apparel brands.

Which types of portable water filters should I consider?

The top types of portable water filters at REI Co-op include: Straw Water Filters Replacement Water Filters Gravity Water Filters Filter Water Bottles Pump Water Filters Whether you're new to the outdoors or a seasoned pro, check out our wide selection of quality outdoor gear and apparel for your next adventure.

How can I earn a Co-op Member Reward on my portable water filters purchase?

REI Co-op Members get 10% back annually on every eligible purchase, including most full-priced portable water filters. (10% is typical but not guaranteed.) To earn or redeem rewards, buy a one-time $30 lifetime membership, or sign in as a member. See details about the Co-op Member Reward .

loaded 44 results

Portable Water Filters

(44 products)

Products (44)

Sort: Best Match

Top Rated
MSRMiniWorks/WaterWorks EX Ceramic Element
$57.95
23 reviews with an average rating of 4.9 out of 5 stars
LifeStrawGo Series BPA-Free Water Filter Bottle - 22 fl. oz.
$44.95
142 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Bottle
Best Use:
Backpacking, Travel, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
9 ounces
LifeStrawPeak Squeeze Water Filter System - 22 fl. oz.
$37.95
156 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Squeeze
Best Use:
Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3.6 ounces
Top Rated
GraylGeoPress Replacement Purifier Cartridge
$29.95
399 reviews with an average rating of 4.9 out of 5 stars
KatadynHiker/Hiker Pro/Base Camp Replacement Element
$54.95
61 reviews with an average rating of 4.1 out of 5 stars
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 24 fl. oz.
$59.95
114 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Camping, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 2 oz.
Top Rated
GraylUltraPress Replacement Purifier Cartridge
$24.95
91 reviews with an average rating of 4.8 out of 5 stars
LifeStrawGo Series 1 L Water Filter Bottle - 33.8 fl. oz.
$49.95
39 reviews with an average rating of 3.9 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
9.4 ounces
MSRGuardian Purifier Replacement Cartridge
$229.95
4 reviews with an average rating of 2.8 out of 5 stars
LifeStrawGo Series Replacement Membrane Microfilter and Carbon Filter
$25.95
27 reviews with an average rating of 3.2 out of 5 stars
MSRTrailShot Pocket-Sized Water Filter
$62.95
213 reviews with an average rating of 3.4 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.2 ounces
New arrival
LifeStrawGo Series Insulated Stainless-Steel Water Filter Tumbler - 18 fl. oz.
$49.95
0 reviews
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 1.1 oz.
MSRThru-Link In-Line Microfilter
$49.95
20 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.5 ounces
CamelBakReplacement Reservoir Activated Carbon Filters - Package of 2
$8.93
Save 31%
compared to $13.00
0 reviews