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

The top brands for portable water filters include: LifeStraw Katadyn HydraPak Platypus 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 .

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Portable Water Filters

(63 products)

Products (63)

Sort: Best Match

Sale Ends Jul 6
Top Rated
SawyerSqueeze Water Filtration System with Cnoc Premium 2-Liter Bladder
$48.69
Save 25%
compared to $64.95
79 reviews with an average rating of 4.5 out of 5 stars
Filter Type:
Gravity, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.8 ounces
Sale Ends Jul 6
SawyerSqueeze Water Filter System
$34.39
Save 25%
compared to $45.95
567 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 Jul 6
SawyerSqueeze Water Filtration System with Cnoc Premium 1-Liter Bottle
$44.89
Save 25%
compared to $59.95
19 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
4.8 ounces
Sale Ends Jul 6
Top Rated
SawyerDual-Threaded MINI Water Filtration System - Package of 2
$27.69
Save 25%
compared to $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
Top Rated
LifeStrawPeak Gravity Water Filter System - 3 Liters
$65.95
207 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
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle
$52.95
110 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
LifeStrawPeak Squeeze Water Filter System - 33.8 fl. oz.
$43.95
314 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
Top Rated
KatadynBeFree AC 1.0 L Water Filter Bottle - Double-Layer
$59.95
114 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 Jul 6
KatadynHiker Pro Clear Microfilter
$74.89
Save 25%
compared to $99.95
249 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 Jul 6
Top Rated
SawyerMicro Squeeze Water Filtration System with Cnoc Premium 750 ml Bladder
$37.39
Save 25%
compared to $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
45 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.9 ounces
MSRMiniWorks EX Water Filter
$129.95
14 reviews with an average rating of 3.8 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
14.6 ounces
Sale Ends Jul 6
Top Rated
LifeStrawPeak Series 3-in-1 Water Filtration Kit
$74.89
Save 25%
compared to $99.95
16 reviews with an average rating of 4.9 out of 5 stars
Filter Type:
Gravity, Straw, Squeeze
Best Use:
Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
Total: 13 ounces; Solo Straw: 1.7 ounces; 650 ml Squeeze: 3.2 ounces; 3 L Gravity bag: 8.1 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
Top Rated
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
LifeStrawPeak Series Water Filter Straw
$24.95
266 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
KatadynBeFree Replacement Filter
$29.95
150 reviews with an average rating of 4.0 out of 5 stars
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
PlatypusGravityWorks Water Filter System - 6 L
$154.95
9 reviews with an average rating of 4.4 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
12.3 ounces
KatadynGravity BeFree Water Filtration System - 3 Liters
$79.95
261 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
HydraPak28 mm Filter Kit
$45.00
17 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
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
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.
LifeStrawSip Reusable Stainless-Steel Water Filter Straw
$34.95
186 reviews with an average rating of 4.3 out of 5 stars
Filter Type:
Straw
Best Use:
Travel
Removes/Destroys:
Protozoa And Bacteria
Weight:
3 ounces
PlatypusQuickDraw Filter System - 1 Liter
$54.95
34 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
KatadynHiker Pro Replacement Cartridge
$59.95
65 reviews with an average rating of 4.0 out of 5 stars
KatadynBeFree Gravity Water Filter - 6 Liters
$119.95
56 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
Top Rated
KatadynBeFree AC 0.5 L Water Filter Bottle
$47.95
48 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Bottle, Squeeze
Best Use:
Trail Running
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.5 ounces
Top Rated
HydraPakFlux 1.5 L Collapsible Water Bottle + Filter Cap - 50 fl. oz.
$60.00
62 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
315 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