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

The top brands for portable water filters include: LifeStraw Katadyn Platypus MSR Sawyer 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 56 results

Portable Water Filters

(56 products)

Products (56)

Sort: Best Match

Top Rated
LifeStrawPeak Series Solo Water Filter
$29.95
52 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1.7 ounces
AquamiraWater Treatment - 1 oz.
$14.95
68 reviews with an average rating of 4.4 out of 5 stars
SawyerMini Water Filter
$24.95
291 reviews with an average rating of 3.8 out of 5 stars
Filter Type:
Straw, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2 ounces
PlatypusGravityWorks/CleanStream Replacement Cartridge
$73.95
64 reviews with an average rating of 4.3 out of 5 stars
SawyerSqueeze Water Filter System
$40.95
538 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Squeeze, Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
Top Rated
LifeStrawPeak Gravity Water Filter System - 3 Liters
$65.95
193 reviews with an average rating of 4.5 out of 5 stars
Filter Type:
Gravity
Best Use:
Camping, Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.1 ounces
New arrival
SawyerSqueeze Water Filtration System with Cnoc Premium 2-Liter Bladder
$64.95
0 reviews
Filter Type:
Gravity, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.8 ounces
KatadynBeFree Replacement Filter
$26.95
116 reviews with an average rating of 4.0 out of 5 stars
KatadynHiker Microfilter
$89.95
287 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11 ounces
LifeStrawGo Series Replacement Membrane Microfilter and Carbon Filter
$25.95
28 reviews with an average rating of 3.3 out of 5 stars
LifeStrawSip Reusable Stainless-Steel Water Filter Straw - Package of 3
$89.95
98 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
KatadynGravity BeFree Water Filtration System - 3 Liters
$74.95
227 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
6.8 ounces
PlatypusQuickDraw Filter System - 1 Liter
$54.95
11 reviews with an average rating of 3.6 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3.3 ounces
PlatypusDayCap In-Bottle Filter
$44.95
2 reviews with an average rating of 3.5 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.6 ounces
LifeStrawPeak Squeeze Water Filter System - 33.8 fl. oz.
$43.95
273 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Squeeze
Best Use:
Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3.9 ounces
Top Rated
HydraPakSeeker 3 L Collapsible Water Container + Filter Cap - 100 fl. oz.
$60.00
28 reviews with an average rating of 4.5 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
4.5 ounces
Top Rated
MSRMiniWorks/WaterWorks EX Ceramic Element
$57.95
23 reviews with an average rating of 4.9 out of 5 stars
KatadynHiker Pro Clear Microfilter
$99.95
200 reviews with an average rating of 3.9 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11 ounces
Top Rated
KatadynPocket Water Filter
$394.95
72 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 3 oz.
Top Rated
HydraPakFlux 1.5 L Collapsible Water Bottle + Filter Cap - 50 fl. oz.
$55.00
46 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5 ounces
MSRMiniWorks EX Water Filter
$119.95
0 reviews
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
14.6 ounces
KatadynBeFree Gravity Water Filter - 6 Liters
$114.95
37 reviews with an average rating of 3.9 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.9 ounces
MSRAutoFlow XL Gravity Filter - 10 L
$124.95
1 reviews with an average rating of 3.0 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
12 ounces
SawyerMicro Squeeze Water Filtration System
$32.95
80 reviews with an average rating of 3.4 out of 5 stars
Filter Type:
Squeeze, Straw
Best Use:
Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.5 ounces
LifeStrawSip Reusable Stainless-Steel Water Filter Straw
$34.95
98 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
PlatypusGravityWorks Water Filter System - 4 L
$134.95
0 reviews
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11.5 ounces
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 24 fl. oz.
$59.95
119 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
GraylGeoPress Replacement Purifier Cartridge
$29.95
410 reviews with an average rating of 4.9 out of 5 stars
Top Rated
HydraPak42 mm Filter Cap
$35.00
10 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2 ounces
MSRGuardian Purifier Replacement Cartridge
$229.95
4 reviews with an average rating of 2.8 out of 5 stars