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

(74 products)

Products (74)

Sort: Best Match

Top Rated
GraylGeoPress Replacement Purifier Cartridge
$29.95
695 reviews with an average rating of 4.9 out of 5 stars
KatadynBeFree Replacement Filter
$29.95
145 reviews with an average rating of 4.0 out of 5 stars
LifeStrawGo Series Water Filter Bottle - 34 fl. oz.
$32.73
Save 27%
compared to $44.95
10 reviews with an average rating of 3.8 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
9.45 ounces
REI OUTLET
KatadynBeFree Gravity Water Filter - 6 Liters
$119.95
53 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
PlatypusQuickDraw Filter System - 2 Liter
$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
PlatypusQuickDraw Filter System - 1 Liter
$54.95
31 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
LifeStrawPeak Series Gravity Water Filter System with Safe Water Storage - 8L + 8L
$111.73
Save 25%
compared to $149.95
11 reviews with an average rating of 3.7 out of 5 stars
Filter Type:
Gravity
Best Use:
Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
Total: 2 lbs. 2.07 oz.; dirty water bag: 1 lb. 2.91 oz.; safe storage bag: 15.17 oz.
REI OUTLET
KatadynHiker Microfilter
$89.95
313 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11 ounces
MSRMiniWorks EX Water Filter
$129.95
12 reviews with an average rating of 3.9 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
14.6 ounces
LifeStrawPeak Squeeze Water Filter System - 22 fl. oz.
$37.95
181 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
Potable AquaIodine Tablets
$9.95
51 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Tablet
Best Use:
Backpacking
Removes/Destroys:
Protozoa, Bacteria And Viruses
Weight:
3 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.
LifeStrawGo Series Insulated Stainless-Steel Water Filter Tumbler - 18 fl. oz.
$49.95
Add to cart to see price
75 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 1.1 oz.
KatadynHiker Pro Replacement Cartridge
$59.95
64 reviews with an average rating of 4.0 out of 5 stars
PlatypusQuickDraw Gravity Filter System - 3 Liter
$99.95
30 reviews with an average rating of 1.9 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.2 ounces
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 24 fl. oz.
$59.95
187 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Camping, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 2 oz.
LifeStrawGo Series BPA-Free Water Filter Bottle - 22 fl. oz.
$44.95
240 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.
$60.00
59 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
HydraPakSeeker 3 L Collapsible Water Container + Filter Cap - 100 fl. oz.
$65.00
34 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
HydraPakBreakaway+ Water Filter Bottle
$48.00 - $50.00
23 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Squeeze
Best Use:
Mountain Biking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3.8 ounces, 4.2 ounces
LifeStrawGo Series Replacement Membrane Microfilter and Carbon Filter
$25.95
55 reviews with an average rating of 3.6 out of 5 stars
HydraPakUltraFlask + Filter Cap
$52.00
5 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Squeeze
Best Use:
Trail Running, Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.3 ounces
LifeStrawGo Series 1 L Water Filter Bottle - 33.8 fl. oz.
$49.95
67 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
9.4 ounces
LifeStrawPeak Series Membrane Microfilter Replacement
$25.95
27 reviews with an average rating of 3.9 out of 5 stars
Top Rated
KatadynBeFree AC 0.5 L Water Filter Bottle
$47.95
47 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle, Squeeze
Best Use:
Trail Running
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.5 ounces
Top Rated
HydraPak28 mm Filter Kit
$40.00
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
HydraPak42 mm Filter Cap
$40.00
20 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
GraylUltraPress Replacement Purifier Cartridge
$24.95
169 reviews with an average rating of 4.8 out of 5 stars
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 34 fl. oz.
$64.95
93 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 4.8 oz.
MSRTrailShot Pocket-Sized Water Filter
$69.95
225 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