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

The top brands for portable water filters include: LifeStraw Katadyn Platypus MSR HydraPak 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 Gravity Water Filters Filter Water Bottles 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

(44 products)

Products (44)

Sort: Best Match

SawyerSqueeze Water Filter System
$40.95
536 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
KatadynBeFree Replacement Filter
$26.95
114 reviews with an average rating of 4.0 out of 5 stars
Sale Ends Nov 25
PlatypusQuickDraw Filter System - 1 Liter
$41.19
Save 25%
compared to $54.95
9 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
Top Rated
LifeStrawPeak Series Solo Water Filter
$29.95
52 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1.7 ounces
Sale Ends Nov 25
New arrival
PlatypusDayCap In-Bottle Filter
$33.69
Save 25%
compared to $44.95
0 reviews
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
193 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
Sale Ends Nov 25
PlatypusQuickDraw Filter System - 2 Liter
$56.19
Save 25%
compared to $74.95
0 reviews
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
5.7 ounces
Sale Ends Nov 25
PlatypusGravityWorks Water Filter System - 4 L
$101.19
Save 25%
compared to $134.95
0 reviews
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11.5 ounces
KatadynBeFree 1.0 L Water Filter Bottle - 33.8 fl. oz.
$44.95
492 reviews with an average rating of 4.2 out of 5 stars
Filter Type:
Bottle
Best Use:
Backpacking, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.3 ounces
Sale Ends Nov 25
PlatypusGravityWorks/CleanStream Replacement Cartridge
$55.39
Save 25%
compared to $73.95
64 reviews with an average rating of 4.3 out of 5 stars
Sale Ends Nov 25
PlatypusQuickDraw Gravity Filter System - 3 Liter
$67.39
Save 25%
compared to $89.95
16 reviews with an average rating of 1.8 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.2 ounces
Sale Ends Nov 25
PlatypusDayCap Replacement Filter
$22.39
Save 25%
compared to $29.95
0 reviews
Sale Ends Nov 25
PlatypusQuickDraw Filter
$29.89
Save 25%
compared to $39.95
10 reviews with an average rating of 2.8 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.9 ounces
SawyerMini Water Filter
$24.95
290 reviews with an average rating of 3.8 out of 5 stars
Filter Type:
Straw, Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2 ounces
KatadynGravity BeFree Water Filtration System - 3 Liters
$74.95
227 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
MSRMiniWorks EX Water Filter
$119.95
0 reviews
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
14.6 ounces
KatadynHiker Pro Clear Microfilter
$99.95
198 reviews with an average rating of 3.9 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11 ounces
LifeStrawSip Reusable Stainless-Steel Water Filter Straw
$34.95
86 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
KatadynHiker Microfilter
$89.95
284 reviews with an average rating of 4.1 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11 ounces
LifeStrawPeak Squeeze Water Filter System - 33.8 fl. oz.
$43.95
273 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
MSRAutoFlow XL Gravity Filter - 10 L
$124.95
1 reviews with an average rating of 3.0 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
12 ounces
LifeStrawSip Reusable Stainless-Steel Water Filter Straw - Package of 3
$89.95
86 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
AquamiraWater Treatment - 1 oz.
$14.95
68 reviews with an average rating of 4.4 out of 5 stars
Top Rated
HydraPak42 mm Filter Cap
$35.00
10 reviews with an average rating of 4.7 out of 5 stars
Filter Type:
Squeeze
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2 ounces
KatadynBeFree Gravity Water Filter - 6 Liters
$114.95
36 reviews with an average rating of 3.9 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking, Camping
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.9 ounces
SawyerMicro Squeeze Water Filtration System
$32.95
80 reviews with an average rating of 3.4 out of 5 stars
Filter Type:
Squeeze, Straw
Best Use:
Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2.5 ounces
Top Rated
HydraPakSeeker 3 L Collapsible Water Container + Filter Cap - 100 fl. oz.
$60.00
28 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
KatadynBeFree 0.6 L Water Filter Bottle - 20 fl. oz.
$39.95
196 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Bottle
Best Use:
Backpacking, Travel, Hiking
Removes/Destroys:
Protozoa And Bacteria
Weight:
2 ounces
Top Rated
HydraPakFlux 1.5 L Collapsible Water Bottle + Filter Cap - 50 fl. oz.
$55.00
44 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
Top Rated
KatadynPocket Water Filter
$394.95
72 reviews with an average rating of 4.6 out of 5 stars
Filter Type:
Pump
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
1 lb. 3 oz.