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

The top brands for portable water filters include: LifeStraw Katadyn Platypus HydraPak MSR 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 .

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Portable Water Filters

(66 products)

Products (66)

Sort: Best Match

Top Rated
SawyerSqueeze Water Filtration System with Cnoc Premium 2-Liter Bladder
$64.95
66 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Gravity, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.8 ounces
SawyerSqueeze Water Filter System
$45.95
562 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
LifeStrawPeak Squeeze Water Filter System - 33.8 fl. oz.
$43.95
309 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
SawyerDual-Threaded MINI Water Filtration System - Package of 2
$36.95
9 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking, Emergency Preparedness
Removes/Destroys:
Protozoa And Bacteria
Weight:
1.4 ounces
Top Rated
LifeStrawPeak Series Water Filter Straw
$24.95
259 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Straw
Best Use:
Backpacking, Emergency Preparedness
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.3 ounces
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle - Double-Layer
$52.95 - $59.95
107 reviews with an average rating of 4.9 out of 5 stars
Filter Type:
Bottle, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle
$52.95
104 reviews with an average rating of 4.8 out of 5 stars
Filter Type:
Bottle
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.7 ounces
KatadynGravity BeFree Water Filtration System - 3 Liters
$79.95
261 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
$39.95
42 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.9 ounces
LifeStrawPeak Gravity Water Filter System - 3 Liters
$65.95
206 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
SawyerSqueeze Water Filtration System with Cnoc Premium 1-Liter Bottle
$59.95
17 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
4.8 ounces
KatadynHiker Pro Clear Microfilter
$99.95
246 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11 ounces
Top Rated
KatadynPocket Water Filter
$429.95
82 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 3 oz.
PlatypusGravityWorks Water Filter System - 4 L
$134.95
25 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11.5 ounces
Top Rated
HydraPakBreakaway+ Water Filter Bottle
$48.00 - $50.00
27 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Squeeze
Best Use:
Mountain Biking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3.8 ounces, 4.2 ounces
KatadynBeFree Replacement Filter
$29.95
149 reviews with an average rating of 4.0 out of 5 stars
KatadynBeFree Gravity Water Filter - 6 Liters
$119.95
56 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.9 ounces
Top Rated
SawyerMicro Squeeze Water Filtration System with Cnoc Premium 750 ml Bladder
$49.95
14 reviews with an average rating of 4.9 out of 5 stars
Filter Type:
Squeeze
Best Use:
Trail Running
Removes/Destroys:
Protozoa And Bacteria
Weight:
3.4 ounces
MSRHyperFlow Microfilter Water Filter
$159.95
3 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
7.8 ounces
LifeStrawPeak Squeeze Water Filter System - 22 fl. oz.
$37.95
186 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
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PlatypusQuickDraw Filter System - 1 Liter
$54.95
34 reviews with an average rating of 3.5 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3.3 ounces
HydraPak42 mm Filter Cap
$40.00
21 reviews with an average rating of 3.9 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2 ounces
Top Rated
LifeStrawPeak Series 3-in-1 Water Filtration Kit
$99.95
8 reviews with an average rating of 5.0 out of 5 stars
Filter Type:
Gravity, Straw, Squeeze
Best Use:
Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
Total: 13 ounces; Solo Straw: 1.7 ounces; 650 ml Squeeze: 3.2 ounces; 3 L Gravity bag: 8.1 ounces
HydraPakSeeker 3 L Collapsible Water Container + Filter Cap - 100 fl. oz.
$65.00
35 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
MSRMiniWorks EX Water Filter
$129.95
13 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
14.6 ounces
LifeStrawSip Reusable Stainless-Steel Water Filter Straw - Package of 3
$89.95
182 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
Top Rated
HydraPakFlux 1.5 L Collapsible Water Bottle + Filter Cap - 50 fl. oz.
$60.00
61 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Bottle, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5 ounces
Top Rated
HydraPak28 mm Filter Kit
$45.00
14 reviews with an average rating of 4.9 out of 5 stars
Filter Type:
Squeeze
Best Use:
Trail Running, Backpacking, Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
1.6 ounces
PlatypusGravityWorks/CleanStream Replacement Cartridge
$79.95
77 reviews with an average rating of 4.2 out of 5 stars
Top Rated
GraylUltraPress Replacement Purifier Cartridge
$24.95
177 reviews with an average rating of 4.8 out of 5 stars