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

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

(67 products)

Products (67)

Sort: Best Match

Top Rated
SawyerSqueeze Water Filtration System with Cnoc Premium 2-Liter Bladder
$64.95
62 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
Sale Ends May 25
Top Rated
GraylGeoPress Water Filter and Purifier Bottle - 24 fl. oz.
$74.89
Save 25%
compared to $99.95
2266 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
Sale Ends May 25
Top Rated
LifeStrawPeak Gravity Water Filter System - 3 Liters
$49.39
Save 25%
compared to $65.95
202 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
AquatabsWater Purification Tablets - Package of 30
$14.95
62 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Tablet
Best Use:
Backpacking, Travel, Emergency Preparedness
Removes/Destroys:
Protozoa, Bacteria And Viruses
SawyerSqueeze Water Filter System
$45.95
561 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
Sale Ends May 25
PlatypusGravityWorks Water Filter System - 4 L
$101.19
Save 25%
compared to $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
KatadynBeFree AC 1.0 L Water Filter Bottle
$52.95
103 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
Sale Ends May 25
Top Rated
GraylUltraPress Water Filter and Purifier Bottle - 16.9 fl. oz.
$56.19
Save 25%
compared to $74.95
557 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
Sale Ends May 25
Top Rated
LifeStrawPeak Series Water Filter Straw
$18.69
Save 25%
compared to $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
Sale Ends May 25
LifeStrawPeak Squeeze Water Filter System - 33.8 fl. oz.
$32.89
Save 25%
compared to $43.95
307 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
Sale Ends May 25
MSRGuardian Purifier
$299.89
Save 25%
compared to $399.95
20 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.
Sale Ends May 25
KatadynSteripen Ultra UV Water Purifier
$99.99
Save 25%
compared to $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
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
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
Sale Ends May 25
LifeStrawGo Series BPA-Free Water Filter Bottle - 22 fl. oz.
$33.69
Save 25%
compared to $44.95
250 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
Sale Ends May 25
PlatypusQuickDraw Filter
$29.89
Save 25%
compared to $39.95
40 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
Sale Ends May 25
Top Rated
GraylGeoPress Replacement Purifier Cartridge
$22.39
Save 25%
compared to $29.95
716 reviews with an average rating of 4.9 out of 5 stars
Sale Ends May 25
MSRMiniWorks EX Water Purifier System
$108.69
Save 25%
compared to $144.95
2 reviews with an average rating of 5.0 out of 5 stars
Filter Type:
Pump, Tablet
Best Use:
Backpacking
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
1 lb.
Sale Ends May 25
PlatypusGravityWorks/CleanStream Replacement Cartridge
$59.89
Save 25%
compared to $79.95
75 reviews with an average rating of 4.2 out of 5 stars
Sale Ends May 25
PlatypusQuickDraw Filter System - 2 Liter
$59.89
Save 25%
compared to $79.95
4 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.7 ounces
KatadynGravity BeFree Water Filtration System - 3 Liters
$79.95
259 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
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
Sale Ends May 25
PlatypusQuickDraw Filter System - 1 Liter
$41.19
Save 25%
compared to $54.95
32 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
KatadynBeFree Replacement Filter
$29.95
147 reviews with an average rating of 4.0 out of 5 stars
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Get $130 in value

When approved for the REI Co-op Mastercard by May 25, you’ll get $30 in card rewards. Plus, you can earn a $100 REI gift card after your first non-REI purchase within 60 days from account opening. Terms apply.
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KatadynHiker Pro Clear Microfilter
$99.95
245 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
Sale Ends May 25
LifeStrawPeak Series Solo Water Filter
$22.39
Save 25%
compared to $29.95
73 reviews with an average rating of 4.5 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1.7 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
AquamiraWater Treatment - 1 oz.
$14.95
76 reviews with an average rating of 4.3 out of 5 stars
Sale Ends May 25
HydraPak42 mm Filter Cap
$29.99
Save 25%
compared to $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
Sale Ends May 25
MSRAutoFlow XL Gravity Filter - 10 L
$104.89
Save 25%
compared to $139.95
8 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
12 ounces