Results for: water filter

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HID SIPS Updated Aug 31, 2026

20% OFF

HID SIPS 200-GALLON INLINE WATER FILTER (Replacement Filter)

$19.99 $24.99

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Als.com Updated Aug 29, 2026

20% OFF

Katadyn Gravity BeFree 3.0L Water Filter

$63.96 $79.95

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Als.com Updated Aug 29, 2026

25% OFF

Msr MiniWorks EX Water Filter

$96.89 $129.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn BeFree AC 0.5L Microfilter Slate Blue, One Size

$35.96 $47.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn Hiker Pro Replacement Cartridge One Color, One Size

$44.96 $59.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn Gravity BeFree 10L Microfilter One Color, One Size

$108.71 $144.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn Expedition Filter Element One Color, One Size

$179.96 $239.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn Pocket Water Filter Replacement Cartridge One Color, One Size

$187.46 $249.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn Pocket Tactical Water Microfilter Black, One Size

$337.46 $449.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn KFT Expedition Filter One Color, One Size

$1724.96 $2299.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn BeFree AC Flip Cap One Color, One Size

$11.21 $14.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn Vario Carbon Replacement - 2-Pack One Color, One Size

$14.96 $19.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Katadyn BeFree Activated Carbon Replacement - 3-Pack One Color, One Size

$22.46 $29.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Peak Series Activated Carbon+Ion Exchange Filter Attachment Grey, One Size

$11.21 $14.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Peak Series Large Capacity Gravity Water Filter System - 8L Dusty Mountain Blue, One Size

$71.96 $95.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Peak Series Collapsible Squeeze 1L Water Bottle with Filter Dark Mountin Grey, One Size

$32.96 $43.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Peak Series Solo Water Filter Blue Rasberry, One Size

$22.46 $29.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Sip Straw Filter + Carry Case Thistle Purple, One Size

$26.21 $34.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Go Series Water Filter 22oz Bottle Terrace Green, One Size

$33.71 $44.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Go Series Stainless Steel Filter Bottle - 18oz Aegean Sea, One Size

$37.46 $49.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Go Series Water Filter Tumbler Icelandic Blue, 18oz

$37.46 $49.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Go Series Stainless Steel Filter Bottle - 24oz Thistle Purple, One Size

$44.96 $59.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Go Series Stainless Steel 1L Water Filter Bottle Cactus Green, One Size

$48.71 $64.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

LifeStraw Sip Straw Filter - 3-Pack Laguna/Apricot/Thistle, One Size

$66.71 $88.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

MSR Autoflow XL10L Gravity Filter One Color, 10L

$104.96 $139.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

MSR HyperFlow Microfilter One Color, One Size

$119.96 $159.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

MSR Thru-Link Inline Filter Grey, One Size

$41.21 $54.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

MSR Guardian Filter Cartridge Replacement One Color, One Size

$179.96 $239.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

MSR Hyperflow Microfilter Cartridge Replacement One Color, One Size

$37.46 $49.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

MSR Guardian Gravity Water Purifier Replacement Filter Grey, One Size

$187.46 $249.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

MSR AutoFlow Gravity Filter Replacement Cartridge One Color, One Size

$57.71 $76.95

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Backcountry.com Updated Aug 29, 2026

26% OFF

Platypus DayCap In-Bottle Filter Blue, One Size

$36.89 $49.95

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Backcountry.com Updated Aug 29, 2026

26% OFF

Platypus QuickDraw Microfilter System Blue, 2L, One Size

$40.89 $54.95

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Backcountry.com Updated Aug 29, 2026

25% OFF

Platypus Quickdraw 3L Gravity Filter System Blue, One Size

$74.89 $99.95

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CampSaver.com Updated Aug 29, 2026

22% OFF

Katadyn Pocket Water Filter 8013618

$335.71 $429.95

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CampSaver.com Updated Aug 29, 2026

25% OFF

Sagan RV Water/Undersink Filter Kit

$89.99 $119.99

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CampSaver.com Updated Aug 29, 2026

24% OFF

Sagan Duraflo - Water Filter

$71.99 $94.99

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CampSaver.com Updated Aug 29, 2026

22% OFF

Sagan UltraFlo Universal Water Filter 10in

$65.99 $84.99

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CampSaver.com Updated Aug 29, 2026

9% OFF

Simpure Gravity Water Filter Bag 9in x 4in x 2.36in 3L Blue

$29.99 $32.99

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AvidMax.com Updated May 29, 2026

20% OFF

Lifestraw Original Personal Water Filter and Chemical BPA Free

$16.01 $19.95

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Cascade Designs Updated Aug 31, 2026

26% OFF

MSR Thru-Link™ Inline Water Filter

$40.89 $54.95

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Cascade Designs Updated Aug 31, 2026

26% OFF

MSR TrailShot™ Pocket-Sized Water Filter

$51.89 $69.95

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Cascade Designs Updated Aug 31, 2026

25% OFF

Platypus GravityWorks™ Water Filter System

$115.89 $154.95

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GoSun Updated Aug 31, 2026

34% OFF

GoSun Flow Water Filter Replacement

$39.00 $59.00

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REI.com Updated Aug 29, 2026

20% OFF

Grayl GeoPress Water Filter and Purifier Bottle - 24 fl. oz. White

$79.89 $99.95

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REI.com Updated Aug 29, 2026

25% OFF

Katadyn BeFree AC 0.5 L Water Filter Bottle Blue

$35.89 $47.95

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REI.com Updated Aug 29, 2026

25% OFF

Katadyn BeFree AC 1.0 L Water Filter Bottle Blue

$39.69 $52.95

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REI.com Updated Aug 29, 2026

25% OFF

Katadyn BeFree Gravity Water Filter - 6 Liters

$89.89 $119.95

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REI.com Updated Aug 29, 2026

25% OFF

Katadyn Pocket Water Filter

$322.39 $429.95

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REI.com Updated Aug 29, 2026

25% OFF

Lifestraw Peak Squeeze Water Filter System - 22 fl. oz. Blue

$28.39 $37.95

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REI.com Updated Aug 29, 2026

25% OFF

Lifestraw Peak Squeeze Water Filter System - 33.8 fl. oz. Gray

$32.89 $43.95

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REI.com Updated Aug 29, 2026

26% OFF

Lifestraw Go Stainless-Steel Water Filter Bottle - 24 fl. oz. White

$36.73 $49.95

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REI.com Updated Aug 29, 2026

25% OFF

Msr MiniWorks EX Water Filter

$97.39 $129.95

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REI.com Updated Aug 29, 2026

25% OFF

Platypus GravityWorks Water Filter System - 4 L

$101.19 $134.95

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Optics Planet Updated Aug 29, 2026

6% OFF

Aquamira Backcountry Plus Replacement Filter 800 ml/min - GRN Line Green

$37.49 $39.99

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Optics Planet Updated Aug 29, 2026

32% OFF

Aquamira Everyday Replacement Filter - BLU Line Blue

$14.99 $21.99

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Optics Planet Updated Aug 29, 2026

9% OFF

Camco Spun PP Replacement Cartridge f/Evo Premium Water Filter Evo

$33.99 $37.19

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Optics Planet Updated Aug 29, 2026

16% OFF

Camco KDF/Carbon Water Filter w/Flexible Hose Protector TastePURE

$41.99 $49.99

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Optics Planet Updated Aug 29, 2026

5% OFF

Camco Premium Water Filter Evo

$91.79 $96.49

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Optics Planet Updated Aug 29, 2026

8% OFF

Camco RV & Marine Water Filter TastePURE

$33.99 $36.99

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Optics Planet Updated Aug 29, 2026

10% OFF

Camelbak LifeStraw Bottle Filter Set Small Black

$31.49 $35.00

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Optics Planet Updated Aug 29, 2026

9% OFF

Forespar Performance Products PUREWATER+All-In-One Water Filtration System 0.5 Micron Replacement Filters - 2-Pack

$69.99 $76.95

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Optics Planet Updated Aug 29, 2026

5% OFF

Forespar Performance Products PUREWATER+All-In-One Water Filtration System 5 Micron Replacement Filters - 2-Pack

$56.99 $59.95

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Optics Planet Updated Aug 29, 2026

22% OFF

Forespar Performance Products Water Filtration System 0.5 Micron Replacement Filter PUREWATER+All-In-One

$47.99 $61.23

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Optics Planet Updated Aug 29, 2026

31% OFF

Forespar Performance Products Water Filtration System 5 Micron Replacement Filter PUREWATER+All-In-One

$37.99 $54.99

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Optics Planet Updated Aug 29, 2026

22% OFF

Katadyn Pocket Water Filter 8013618

$335.71 $429.95

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Optics Planet Updated Aug 29, 2026

4% OFF

Membrane Solutions Water Filter Straw w/ Case Camo

$23.99 $24.99

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Optics Planet Updated Aug 29, 2026

9% OFF

Membrane Solutions Water Filter Straw II BPA Free

$20.99 $22.99

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Optics Planet Updated Aug 29, 2026

11% OFF

Membrane Solutions Water Filter Straw Camo

$15.99 $17.99

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Optics Planet Updated Aug 29, 2026

20% OFF

Renovo Water MUV Tote Gravity Water Bag with MUV2 Holly Fiber filter 10L gravity bag str

$47.20 $59.00

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Optics Planet Updated Aug 29, 2026

20% OFF

Renovo Water 09 MUV Backcountry Pump Package with Hanging Tab Pack 13.5 Oz Filters 99.999percent Of Bacteria

$68.00 $85.00

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Optics Planet Updated Aug 29, 2026

23% OFF

Renovo Water 03 MUV3 Nanalum Developed by NASA Filters Up To 90 Gallons

$29.99 $39.19

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Optics Planet Updated Aug 29, 2026

15% OFF

Renovo Water 02 MUV2 Hollow Fiber Clean Water 0.1 Micron Filters Down To 0.1 Microns And Up To 100000 Gallons

$25.19 $29.49

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Optics Planet Updated Aug 29, 2026

Renovo Water 01 MUV1 Improves Water Taste Activated Carbon Fiber Activated Carbon Fiber Filters Up To 150 Gallons

$11.99 $12.00

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Optics Planet Updated Aug 29, 2026

25% OFF

Sagan RV Water/Undersink Filter Kit

$89.99 $119.99

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