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 Replacement Water Filters Filter Water Bottles 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 .

loaded 62 results

Portable Water Filters

(62 products)

Products (62)

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
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
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle
$52.95
102 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
LifeStrawPeak Series Water Filter Straw
$24.95
256 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
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 Squeeze Water Filter System - 33.8 fl. oz.
$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
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
KatadynBeFree Replacement Filter
$29.95
147 reviews with an average rating of 4.0 out of 5 stars
Top Rated
LifeStrawPeak Gravity Water Filter System - 3 Liters
$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
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
103 reviews with an average rating of 4.8 out of 5 stars
Filter Type:
Bottle, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
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
PlatypusQuickDraw Filter
$39.95
38 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
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
PlatypusQuickDraw Filter System - 1 Liter
$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
Celebrate mom

Give mom the gift of the outdoors with a $100+ gift card and get $10 back as a bonus e-card—just for members! Terms apply.
Shop gift cards
AquamiraWater Treatment - 1 oz.
$14.95
76 reviews with an average rating of 4.3 out of 5 stars
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
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 Series Solo Water Filter
$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
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
Earn 15% in total rewards

Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.
Apply now

Terms apply
MSRAutoFlow XL Gravity Filter - 10 L
$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
PlatypusGravityWorks/CleanStream Replacement Cartridge
$79.95
75 reviews with an average rating of 4.2 out of 5 stars
KatadynHiker Pro Clear Microfilter
$99.95
244 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
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.
HydraPak42 mm Filter Cap
$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
Top Rated
GraylGeoPress Replacement Purifier Cartridge
$29.95
715 reviews with an average rating of 4.9 out of 5 stars
LifeStrawPeak Squeeze Water Filter System - 22 fl. oz.
$37.95
185 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
LifeStrawGo Series BPA-Free Water Filter Bottle - 22 fl. oz.
$44.95
249 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
KatadynBeFree Gravity Water Filter - 6 Liters
$119.95
55 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
LifeStrawSip Reusable Stainless-Steel Water Filter Straw - Package of 3
$89.95
180 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