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Premium Backcountry Water Filters & Purification Systems
Access safe drinking water anywhere in the wild. Discover our selection of high-performance water filters, microbiological purifiers, squeeze systems, and replacement cartridges engineered to eliminate bacteria, protozoa, and viruses on the trail.
Platypus
GravityWorks Carbon Element
Helps remove flavors and odors from water.
C$39.95
(C$39.95 Incl. tax)
C$339.95
(C$339.95 Incl. tax)
in stock
Replacement purifier cartridge for Guardian Gravity Purifier System.
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MSR
Guardian Gravity Purifier Filter Cartridge
Replacement purifier cartridge for Guardian Gravity Purifier System.
C$339.95
(C$339.95 Incl. tax)
C$209.95
(C$209.95 Incl. tax)
in stock
Ultra-versatile system that offers gravity filtration at camp + a small filter for the trail.
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MSR
Trail Base Gravity + Trail Water Filter Kit 2L
Ultra-versatile system that offers gravity filtration at camp + a small filter for the trail.
C$209.95
(C$209.95 Incl. tax)
C$80.95
(C$80.95 Incl. tax)
in stock
Filters up to 1000 liters.
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Katadyn
C$29.95
(C$29.95 Incl. tax)
in stock
Katadyn carbon endurance series replacement element 2 pack activated carbon is used for its ability to reduce harmful organic and inorganic substances in the water.
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Katadyn
Carbon Replacement Pack
Katadyn carbon endurance series replacement element 2 pack activated carbon is used for its ability to reduce harmful organic and inorganic substances in the water.
C$29.95
(C$29.95 Incl. tax)
C$15.95
(C$15.95 Incl. tax)
in stock
Maintenance Kit with spare parts for Katadyn Hiker Pro Water Filter.
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Katadyn
Hiker Pro Maintenance Kit (Set 1)
Maintenance Kit with spare parts for Katadyn Hiker Pro Water Filter.
C$15.95
(C$15.95 Incl. tax)
C$39.95
(C$39.95 Incl. tax)
in stock
Hoses, fittings, and clamps for any GravityWorks™ system.
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Platypus
GravityWorks Replacement Hose Kit 4L
Hoses, fittings, and clamps for any GravityWorks™ system.
C$39.95
(C$39.95 Incl. tax)
Platypus
C$184.95
(C$184.95 Incl. tax)
in stock
High-capacity, pump-free water filtration for groups and basecamps.
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Platypus
GravityWorks 4.0L System
High-capacity, pump-free water filtration for groups and basecamps.
C$184.95
(C$184.95 Incl. tax)
Platypus
C$199.95
(C$199.95 Incl. tax)
in stock
GravityWorks System is a high-capacity, pump-free water filtration option for groups and basecamps.
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Platypus
GravityWorks 6.0L System
GravityWorks System is a high-capacity, pump-free water filtration option for groups and basecamps.
C$199.95
(C$199.95 Incl. tax)
MSR
C$164.95
(C$164.95 Incl. tax)
in stock
Get the added viral protection that’s critical in popular wilderness areas and developing countries with this comprehensive purifier and microfilter system.
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MSR
MiniWorks EX
Get the added viral protection that’s critical in popular wilderness areas and developing countries with this comprehensive purifier and microfilter system.
C$164.95
(C$164.95 Incl. tax)
Katadyn
C$124.95
(C$124.95 Incl. tax)
in stock
A pocket-sized water purifier for any adventure. Toss the SteriPEN® Ultralight UV in your carry-on, backpack or emergency kit so you'll always be able to make clean water.
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Katadyn
Steripen UltraLight
A pocket-sized water purifier for any adventure. Toss the SteriPEN® Ultralight UV in your carry-on, backpack or emergency kit so you'll always be able to make clean water.
C$124.95
(C$124.95 Incl. tax)
Katadyn
C$33.95
(C$33.95 Incl. tax)
in stock
EZ-Clean Membrane Replacement Filter Cartridge for all blue Katadyn BeFree Water Filtration Systems.
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Katadyn
BeFree Filter Cartridge
EZ-Clean Membrane Replacement Filter Cartridge for all blue Katadyn BeFree Water Filtration Systems.
C$33.95
(C$33.95 Incl. tax)
C$74.95
(C$74.95 Incl. tax)
in stock
The Platy QuickDraw Microfilter is light, fast, easy and reliable. The best water filter system per ounce, period.
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Platypus
QuickDraw Microfilter and Reservoir 1L
The Platy QuickDraw Microfilter is light, fast, easy and reliable. The best water filter system per ounce, period.
C$74.95
(C$74.95 Incl. tax)
C$64.95
(C$64.95 Incl. tax)
in stock
Maintenance kit and replacement cartridge for the TrailShot/Trail Base filter.
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MSR
TrailShot Replacement Cartridge
Maintenance kit and replacement cartridge for the TrailShot/Trail Base filter.
C$64.95
(C$64.95 Incl. tax)
C$74.95
(C$74.95 Incl. tax)
in stock
MSR's Thru-Link InLine Filter turns any hydration reservoir into a filtration system, for clean water that keeps pace with you.
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MSR
Thru-Link InLine Filter
MSR's Thru-Link InLine Filter turns any hydration reservoir into a filtration system, for clean water that keeps pace with you.
C$74.95
(C$74.95 Incl. tax)
C$44.95
(C$44.95 Incl. tax)
in stock
Keep your HyperFlow Microfilter pump working like new with the MSR HyperFlow Maintenance Kit. This kit contains everything needed for routine maintenance.
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MSR
HyperFlow Maintenance Kit
Keep your HyperFlow Microfilter pump working like new with the MSR HyperFlow Maintenance Kit. This kit contains everything needed for routine maintenance.
C$44.95
(C$44.95 Incl. tax)
C$60.95
(C$60.95 Incl. tax)
in stock
The MSR Guardian Purifer Maintenance Kit includes all the necessary components and instructions required to maintain your Guardian purifier's performance and reliability, packed in a small, convenient carry case for field use.
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MSR
Guardian Purifier Maintenance Kit
The MSR Guardian Purifer Maintenance Kit includes all the necessary components and instructions required to maintain your Guardian purifier's performance and reliability, packed in a small, convenient carry case for field use.
C$60.95
(C$60.95 Incl. tax)
C$324.95
(C$324.95 Incl. tax)
in stock
The MSR Guardian Purifier Filter Cartridge restores your Guardian Purifier’s flow rate and lasts up to 10,000+ litres. Removes viruses, bacteria, protozoa, and particulates such as dirt and sediment.
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MSR
Guardian Purifier Filter Cartridge 2.5 LPM
The MSR Guardian Purifier Filter Cartridge restores your Guardian Purifier’s flow rate and lasts up to 10,000+ litres. Removes viruses, bacteria, protozoa, and particulates such as dirt and sediment.
C$324.95
(C$324.95 Incl. tax)
C$87.95
(C$87.95 Incl. tax)
in stock
Clean water all day—without the weight. That's the advantage the MSR TrailShot Microfilter provides. Designed to hide in stash pockets and deploy quickly, this tiny water filter lets you drink directly from sources along the trail for instant hydration, a
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MSR
Trailshot Pocket-sized Water Filter
Clean water all day—without the weight. That's the advantage the MSR TrailShot Microfilter provides. Designed to hide in stash pockets and deploy quickly, this tiny water filter lets you drink directly from sources along the trail for instant hydration, a
C$87.95
(C$87.95 Incl. tax)
Premium Backcountry Water Filters & Purification Systems
Securing a clean source of hydration is your top priority when exploring the backcountry
Our Water Filtration and Purification collection features advanced, field-tested systems designed to remove dangerous waterborne pathogens like Giardia, Cryptosporidium, and bacteria from natural water sources. Whether you are trail running, thru-hiking, or establishing a remote wilderness basecamp, we stock reliable filtration methods that convert wilderness rivers, lakes, and streams into safe, clean drinking water.
Explore our versatile inventory of lightweight squeeze filters, high-capacity gravity systems for groups, rapid pump filters, and chemical purification treatments for emergency backup. We also carry essential replacement filter cartridges and maintenance kits to ensure your system remains unclogged and fully operational during long expeditions. Featuring top industry brands like Platypus, Katadyn, and MSR, our collection at Monashee Outdoors provides the technical hydration safety tools you need to protect your health and stay properly hydrated on every adventure.