New Arrivals
Outdoors
Apparel & Accessories
Footwear
Firearms & Archery
Safety Tools
Monashee Outdoors Swag
Body Products
Travel
Events & Promotions
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.
Katadyn
C$295.95
(C$295.95 Incl. tax)
in stock
C$21.95
(C$21.95 Incl. tax)
in stock
C$9.95
(C$9.95 Incl. tax)
in stock
New pump piston for Katadyn Hiker Pro Filter
Read more
Katadyn
Hiker Pro Replacement Pump Handle Kit (Set 2) handle and c-clip
New pump piston for Katadyn Hiker Pro Filter
C$9.95
(C$9.95 Incl. tax)
Katadyn
C$19.95
(C$19.95 Incl. tax)
in stock
C$39.95
(C$39.95 Incl. tax)
in stock
Hoses, fittings, and clamps for any GravityWorks™ system.
Read more
Platypus
GravityWorks Replacement Hose Kit 2.0L
Hoses, fittings, and clamps for any GravityWorks™ system.
C$39.95
(C$39.95 Incl. tax)
C$39.95
(C$39.95 Incl. tax)
in stock
Hoses, fittings, and clamps for any GravityWorks™ system.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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$80.95
(C$80.95 Incl. tax)
in stock
Replacement ceramic filter element for the MiniWorks and WaterWorks microfilters.
Read more
MSR
Ceramic Filter Cartridge, for WaterWorks and MiniWorks
Replacement ceramic filter element for the MiniWorks and WaterWorks microfilters.
C$80.95
(C$80.95 Incl. tax)
C$109.95
(C$109.95 Incl. tax)
in stock
The Platypus GravityWorks Replacement Filter replaces old GravityWorks microfilters.
Read more
Platypus
GravityWorks Replacement Water Filter
The Platypus GravityWorks Replacement Filter replaces old GravityWorks microfilters.
C$109.95
(C$109.95 Incl. tax)
C$64.95
(C$64.95 Incl. tax)
in stock
Maintenance kit and replacement cartridge for the TrailShot/Trail Base filter.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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
Read more
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.