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

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

Which types of portable water treatment should I consider?

The top types of portable water treatment at REI Co-op include: Portable Water Filters Portable Water Purifiers Chemical Water Treatments Water Treatment Accessories 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 treatment purchase?

REI Co-op Members get 10% back annually on every eligible purchase, including most full-priced portable water treatment. (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 Treatment

(78 products)

Products (78)

Sort: Best Match

Top Rated
SawyerSqueeze Water Filtration System with Cnoc Premium 2-Liter Bladder
$64.95
71 reviews with an average rating of 4.5 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
564 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Squeeze, Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
Top Rated
GraylGeoPress Water Filter and Purifier Bottle - 24 fl. oz.
$99.95
2284 reviews with an average rating of 4.8 out of 5 stars
Filter Type:
Bottle, Press
Best Use:
Backpacking, Travel
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
15.9 ounces
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle
$52.95
105 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
Top Rated
GraylUltraPress Water Filter and Purifier Bottle - 16.9 fl. oz.
$74.95
563 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle, Press
Best Use:
Travel, Backpacking
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
12.5 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
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
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
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle - Double-Layer
$52.95 - $59.95
109 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
LifeStrawPeak Squeeze Water Filter System - 33.8 fl. oz.
$43.95
312 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
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
MSRMiniWorks EX Water Purifier System
$144.95
3 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Pump, Tablet
Best Use:
Backpacking
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
1 lb.
MSRGuardian Purifier
$399.95
21 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking, Camping, Travel
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
1 lb. 1.3 oz.
PlatypusQuickDraw Filter
$39.95
43 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.9 ounces
Top Rated
GraylGeoPress Ti Water Filter and Purifier Bottle Plus Cook Lid
$219.95
343 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle, Press
Best Use:
Backpacking, Travel
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
1 lb. 4 oz.
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
KatadynSteripen Ultra UV Water Purifier
$134.95
121 reviews with an average rating of 3.7 out of 5 stars
Filter Type:
Ultraviolet
Best Use:
Backpacking
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
With integrated battery: 4.94 ounces
SawyerSqueeze Water Filtration System with Cnoc Premium 1-Liter Bottle
$59.95
19 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
4.8 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
KatadynMicropur Purification Tablets - Package of 30
$17.95
76 reviews with an average rating of 4.5 out of 5 stars
Filter Type:
Tablet
Best Use:
Backpacking
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
0.9 ounce
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
KatadynBeFree Replacement Filter
$29.95
149 reviews with an average rating of 4.0 out of 5 stars
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
AquamiraWater Treatment - 1 oz.
$14.95
77 reviews with an average rating of 4.3 out of 5 stars
PlatypusGravityWorks/CleanStream Replacement Cartridge
$79.95
78 reviews with an average rating of 4.3 out of 5 stars
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
AquatabsWater Purification Tablets - Package of 30
$14.95
64 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Tablet
Best Use:
Backpacking, Travel, Emergency Preparedness
Removes/Destroys:
Protozoa, Bacteria And Viruses
MSRGuardian Purifier Replacement Cartridge
$239.95
7 reviews with an average rating of 3.1 out of 5 stars
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
Top Rated
GraylGeoPress Replacement Purifier Cartridge
$29.95
720 reviews with an average rating of 4.9 out of 5 stars