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

The top brands for portable water treatment include: LifeStraw Katadyn MSR Platypus Grayl 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

(59 products)

Products (59)

Sort: Best Match

Sale Ends Nov 25
New arrival
PlatypusDayCap In-Bottle Filter
$33.69
Save 25%
compared to $44.95
0 reviews
Filter Type:
Bottle
Best Use:
Travel, Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.6 ounces
Sale Ends Nov 25
PlatypusQuickDraw Filter System - 2 Liter
$56.19
Save 25%
compared to $74.95
0 reviews
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.7 ounces
Sale Ends Nov 25
PlatypusQuickDraw Gravity Filter System - 3 Liter
$67.39
Save 25%
compared to $89.95
16 reviews with an average rating of 1.8 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.2 ounces
Sale Ends Nov 25
PlatypusDayCap Replacement Filter
$22.39
Save 25%
compared to $29.95
0 reviews
Sale Ends Nov 25
PlatypusQuickDraw Filter
$29.89
Save 25%
compared to $39.95
10 reviews with an average rating of 2.8 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.9 ounces
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
Top Rated
HydraPakFlux 1.5 L Collapsible Water Bottle + Filter Cap - 50 fl. oz.
$55.00
44 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
KatadynHiker Microfilter
$89.95
284 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
Top Rated
GraylUltraPress Ti Water Filter and Purifier Bottle - 16.9 fl. oz.
$199.95
215 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:
14.1 ounces
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 24 fl. oz.
$59.95
115 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
399 reviews with an average rating of 4.9 out of 5 stars
KatadynBeFree Gravity Water Filter - 6 Liters
$114.95
36 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
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
Top Rated
GraylUltraPress Replacement Purifier Cartridge
$24.95
91 reviews with an average rating of 4.8 out of 5 stars
MSRMiniWorks EX Water Filter
$119.95
0 reviews
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
14.6 ounces
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
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
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
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
Top Rated
MSRMiniWorks/WaterWorks EX Ceramic Element
$57.95
23 reviews with an average rating of 4.9 out of 5 stars
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
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
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.
LifeSaverWayfarer Water Purifier
$99.95
18 reviews with an average rating of 3.3 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
11.2 ounces
KatadynBeFree 0.6 L Water Filter Bottle - 20 fl. oz.
$39.95
196 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Bottle
Best Use:
Backpacking, Travel, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2 ounces
MSRGuardian Purifier
$389.95
2 reviews with an average rating of 2.5 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking, Camping, Travel
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
1 lb. 1.3 oz.
CamelBakReplacement Reservoir Activated Carbon Filters - Package of 2
$8.93
Save 31%
compared to $13.00
0 reviews