Fall Sale
Shop up to 40% off
Ski & Snowboard Gear On Sale
Shop up to 40% off
Bike Gear & Apparel On Sale
Shop up to 40% off
Out of Stock
Don't worry though, we have a lot more Water Filters & Purification in stock than that.
Shop Similar ProductsSimilar Water Filters & Purification
60 results
Katadyn
BeFree AC 1.0L Microfilter
3 colors
(111)
Grayl
GEOPRESS Water Purifier
1 color
(1631)
Katadyn
Gravity BeFree 10L Microfilter
1 color
(88)
HSA/FSA Eligible
Grayl
UltraPress Purifier Bottle
3 colors
(427)
Katadyn
Hiker Pro Transparent Water Microfilter
1 color
(95)
SteriPEN
SteriPEN Ultra
1 color
(25)
Platypus
GravityWorks 4.0L Filter System
1 color
(7)
HSA/FSA Eligible
Katadyn
KFT Expedition Filter
1 color
10% Cashback Eligible
HSA/FSA Eligible
Katadyn
Pocket Water Microfilter
1 color
10% Cashback Eligible
(13)
SteriPEN
SteriPEN Adventurer Opti
1 color
(13)
HSA/FSA Eligible
LifeStraw
Go Series Stainless Steel Filter Bottle - 18oz
3 colors
(87)
HSA/FSA Eligible
Katadyn
Pocket Water Filter Replacement Cartridge
1 color
LifeStraw
Peak Series Collapsible Squeeze 650ml Water Bottle + Filter
2 colors
(152)
HSA/FSA Eligible
LifeStraw
Go Series Water Filter 1L Bottle
2 colors
(65)
HSA/FSA Eligible
LifeStraw
Go Series Stainless Steel Filter Bottle - 24oz
3 colors
(164)
Platypus
QuickDraw Microfilter System
2 colors
(16)
HSA/FSA Eligible
LifeStraw
Sip Straw Filter - 3-Pack
1 color
(146)
HSA/FSA Eligible
Katadyn
Hiker Pro Replacement Cartridge
1 color
HSA/FSA Eligible
MSR
Hyperflow Microfilter Cartridge Replacement
1 color
(6)
HSA/FSA Eligible
Katadyn
Vario Dual Technology MicroFilter
1 color
(59)
Katadyn
BeFree AC Replacement Cartridge
2 colors
HSA/FSA Eligible
Platypus
GravityWorks Filter Cartridge
1 color
(33)
HSA/FSA Eligible
Katadyn
Vario Replacement Cartridge
1 color
(1)
Katadyn
BeFree AC 0.5L Microfilter
1 color
(49)
LifeStraw
Go Series Water Filter 22oz Bottle
2 colors
(205)
HSA/FSA Eligible
MSR
MiniWorks EX Water Filter
1 color
(5)
MSR
Guardian Gravity Water Purifier Replacement Filter
1 color
MSR
Thru-Link Inline Filter
1 color
(11)
LifeStraw
Peak Series Solo Water Filter
4 colors
(58)
HSA/FSA Eligible
Katadyn
Expedition Filter Element
1 color
HSA/FSA Eligible
MSR
Guardian Filter Cartridge Replacement
1 color
(10)
HSA/FSA Eligible
LifeStraw
Go Series Stainless Steel 1L Water Filter Bottle
3 colors
(94)
Platypus
DayCap In-Bottle Filter
1 color
(8)
Platypus
QuickDraw Microfilter
4 colors
(16)
HSA/FSA Eligible
Katadyn
Explorer Pro Purifier
1 color
10% Cashback Eligible
MSR
TrailShot Microfilter
1 color
(105)
Katadyn
Vario Ceramic Disc
1 color
(1)
Platypus
Quickdraw 3L Gravity Filter System
1 color
(8)
HSA/FSA Eligible
MSR
Miniworks Ex Purifier System
1 color
(2)
Katadyn
BeFree AC Bottle Flip Cap
1 color
Katadyn
BeFree AC Flip Cap
1 color
HSA/FSA Eligible
Katadyn
Explorer Microfilter
1 color