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 Filter Water Bottles Replacement Water Filters Gravity Water Filters 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

(62 products)

Products (62)

Sort: Best Match

Top Rated
LifeStrawGo Stainless-Steel Water Filter Bottle - 24 fl. oz.
$36.73
Save 26%
compared to $49.95
119 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle
Best Use:
Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 2.17 oz.
REI OUTLET
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle
$52.95
54 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.7 ounces
KatadynBeFree AC 1.0 L Water Filter Bottle - Double-Layer
$52.95 - $59.95
0 reviews
Filter Type:
Bottle
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
LifeStrawGo 1 L Water Bottle with Filter - 34 fl. oz.
$29.73
Save 25%
compared to $39.95
318 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:
9.45 ounces
REI OUTLET
Top Rated
HydraPakFlux 1.5 L Collapsible Water Bottle + Filter Cap - 50 fl. oz.
$55.00
53 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5 ounces
LifeStrawGo Series BPA-Free Water Filter Bottle - 22 fl. oz.
$25.73
Save 26%
compared to $34.95
326 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Bottle
Best Use:
Camping, Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.71 ounces
REI OUTLET
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 24 fl. oz.
$59.95
162 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 1 L Water Filter Bottle - 33.8 fl. oz.
$49.95
59 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
LifeStrawGo Series BPA-Free Water Filter Bottle - 22 fl. oz.
$44.95
201 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
SawyerSqueeze Water Filtration System with Cnoc Premium 2-Liter Bladder
$64.95
34 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Gravity, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.8 ounces
Top Rated
KatadynBeFree AC 0.5 L Water Filter Bottle
$47.95
36 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Bottle
Best Use:
Trail Running
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.5 ounces
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 18 fl. oz.
$49.95
64 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Bottle
Best Use:
Camping, Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 1.6 oz.
LifeStrawGo Series Insulated Stainless-Steel Water Filter Bottle - 34 fl. oz.
$64.95
70 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.
LifeStrawGo Series Water Filter Bottle - 34 fl. oz.
$32.73
Save 27%
compared to $44.95
1 reviews with an average rating of 2.0 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
9.45 ounces
REI OUTLET
LifeStrawGo Series BPA-Free Water Filter Bottle - 22 fl. oz.
$32.73
Save 27%
compared to $44.95
148 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Bottle
Best Use:
Camping, Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.71 ounces
REI OUTLET
SawyerSqueeze Water Filter System
$45.95
546 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
PlatypusDayCap In-Bottle Filter
$44.95
7 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Bottle
Best Use:
Travel, Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.6 ounces
Top Rated
LifeStrawPeak Gravity Water Filter System - 3 Liters
$65.95
194 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Gravity
Best Use:
Camping, Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.1 ounces
SawyerDual-Threaded MINI Water Filtration System - Package of 2
$36.95
1 reviews with an average rating of 5.0 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
229 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
LifeStrawPeak Series Solo Water Filter
$29.95
64 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1.7 ounces
LifeStrawSip Reusable Stainless-Steel Water Filter Straw
$34.95
135 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
LifeStrawPeak Squeeze Water Filter System - 33.8 fl. oz.
$43.95
289 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
6 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11.5 ounces
MSRAutoFlow XL Gravity Filter - 10 L
$129.95
5 reviews with an average rating of 3.6 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
12 ounces
KatadynBeFree Gravity Water Filter - 6 Liters
$119.95
45 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:
8.9 ounces
PlatypusQuickDraw Filter System - 1 Liter
$54.95
22 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
PlatypusQuickDraw Filter
$39.95
17 reviews with an average rating of 3.8 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.9 ounces
LifeStrawSip Reusable Stainless-Steel Water Filter Straw - Package of 3
$89.95
136 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
KatadynGravity BeFree Water Filtration System - 3 Liters
$79.95
243 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