Water Treatment
MSR AutoFlow Replacement Cartridge
$78.99 CAD $104.95 CAD
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Replacement filter cartridge for the AutoFlow XL Gravity Filter system.
Restore flow rates in your AutoFlow Gravity Filter by replacing a tired, worn cartridge with fresh, new Hollow Fiber media.
Ships to Canada Only
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Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate. Hollow fiber filter meets EPA standards and NSF Protocol P231 for removal of bacteria and protozoa.*
- Fast: Uses gravity to filter 1.75 liters per minute, letting you multi-task at camp.
- Field-Maintainable: Filter is easily cleaned on the fly, no tools required.
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Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate. Hollow fiber filter meets EPA standards and NSF Protocol P231 for removal of bacteria and protozoa.*
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Weight 2 oz / 56.7 g
Width 2 in / 5 cm Length 6 in / 15.25 cm Height 2 in / 5 cm Effective against bacteria Yes Effective against particulate Yes Effective against protozoa Yes Effective against viruses No
Filter Media Hollow Fiber Filter pore size (microns) 0.02 Flow (L/min) 7.75 liters per min Cartridge life 1500+ liters Field cleanable Yes Field maintainable Yes Cartridge replacement indicator Yes
MSR AutoFlow XL Gravity Filter
$127.99 CAD $169.95 CAD
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This extra-large AutoFlow gravity filter system delivers 10 liters of clean water fast—all while you set up camp, prep dinner or relax. And its big capacity means fewer trips to the river to haul the water you need. Similar in packable size to a 4L system, the AutoFlow XL system's durable flat base doubles the water volume for only 340 g (12 oz) of total weight. Ultralight and supremely packable, it offers the luxury of pump-free group filtration for basecamps, scout troops, horsepackers and other backcountry groups. And just one 10-liter fill of the reservoir can supply 1-2 people with a whole day’s worth of clean water Ships to Canada Only
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Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate. Hollow fiber filter meets EPA standards and NSF Protocol P231 for removal of bacteria and protozoa.*
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Fast: Uses gravity to filter 1.75 liters per minute, letting you multi-task at camp.
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Versatile: Separate hang strap and bag clip allow for easy hanging for maximum convenience.
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Rugged: Durable 3-dimmensional film reservoir with RF-welded seams and a 1000-denier flat base that resists wear-and-tear.
- Field-Maintainable: Sediment trap in bottom of bag; filter is easily cleaned on the fly, no tools required.
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Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate. Hollow fiber filter meets EPA standards and NSF Protocol P231 for removal of bacteria and protozoa.*
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Weight 12 oz / 0.34 kg
Width 7 in
Length 11 in Height 3 in Effective against bacteria Yes Effective against particulate Yes Effective against protozoa Yes Effective against viruses: No Effective against chemicals/toxins No Filter media Hollow Fiber Filter pore size (microns) 0.2 Flow (L/min) 1.75 liters per min Flow (strokes per liter) 60 Cartridge life 1500 liters Field cleanable Yes Field maintainable Yes Cartridge replacement indicator yes
MSR Guardian Gravity Purifier
$307.99 CAD $409.95 CAD
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Using the advanced technologies of MSR's original Guardian purifier, this gravity-powered sibling has you covered with safe water around the world—from your local backcountry to remote villages. Hang it while you go about your tasks at the hostel, basecamp or campsite. Its 10 L reservoir supports the daily water needs of multiple people. Originally designed to protect service members in the field, this rugged purifier handles the abuse of travel and meets the NSF P248 military testing standard. Ships to Canada Only
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Ultimate Viral Protection: Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions.
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Better-Tasting Water: Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors.
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Easy to Fill: 10 liter reservoir is easy to fill at sinks and streams alike; covers daily water needs for drinking, cooking and hygiene.
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Simple Cleaning: No backflushing required—simply opening the purge hose flushes the system to clean it and maintain flow.
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High-Flow: Leading-edge cartridge creates a fast virus-stopping gravity system—up to 1 liter in 2 minutes.
- Engineered for Travel: Rugged, military-grade construction. Compact system fits easily in carry-on luggage and smaller packs.
- *Meets U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
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Ultimate Viral Protection: Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions.
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Weight 1 lbs 3 oz / 0.53 kg
Width 4 in / 10 cm Length 12 in / 30 cm
Height 4 in / 10 cm Volume 10L Effective against bacteria Yes Effective against particulate Yes Effective against protozoa Yes Effective against viruses Yes Effective against chemicals/toxins No Filter Media Advanced Hollow Fiber Filter pore size (microns) 0.02 Flow (L/min) 0.5 liters per min Cartridge life 3000+ liters Field cleanable Yes Field maintainable Yes Cartridge replacement indicator yes -
MSR Guardian Gravity Replacement Cartridge
$243.99 CAD $324.95 CAD
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Restores flow rates to your Guardian Gravity Purifier System and delivers peace of mind when stored as a back-up cartridge with your system, assuring zero downtime. Ships to Canada Only
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Ultimate Viral Protection: Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions.
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High-Flow: Groundbreaking hollow fiber technology for fast, anti-virus water purification (up to 1L in 2 minutes.).
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Better-Tasting Water: Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors.
- *Meets U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
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Ultimate Viral Protection: Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions.
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Weight 4.7 oz / 0.13 kg
Width 1.5 in / 3.8 cm Length 10 in / 25 cm Height 2 in / 5 cm Effective against bacteria Yes Effective against particulate Yes Effective against protozoa Yes Effective against viruses Yes Filter Media Advanced Hollow Fiber Filter pore size (microns) 0.02 Flow (L/min) 0.5 liters per min Cartridge life 3000+ liters Field cleanable Yes Field maintainable Yes Cartridge replacement indicator Yes -
MSR Guardian Pump Replacement Cartridge
$236.99 CAD $314.95 CAD
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This replacement filter cartridge restores your Guardian Purifier’s flow rate, and lasts up to 10,000+ liters. Removes viruses, bacteria, protozoa, and particulates, like dirt and sediment. Ships to Canada Only
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- Ultimate Protection: Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from “worst-case” water conditions.
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Long-Lasting: Leading-edge hollow fiber cartridge treats up to 10,000+ liters.
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Effective against protozoa Yes Effective against bacteria Yes Effective against viruses Yes Effective against particulate Yes Effective against chemicals/toxins No Weight 6 oz / 180 g Filter media Advanced Hollow Fiber Filter pore size 0.02 microns Flow (L/min) 2.5 liters per min Cartridge life 10,000+ liters Field cleanable Self-Cleaning Field maintainable Yes Cartridge replacement indicator Yes -
MSR Guardian Purifier Pump
$404.99 CAD $539.95 CAD
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Nothing is safer or easier to use for purifying the most demanding backcountry water sources than the Guardian purifier. Originally designed for military squads, it brings this highly advanced technology to global travelers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing nations and popular wilderness areas. Its advanced hollow fiber filter offers the most reliable way to purify even filthy water conditions. Add its long-lasting performance and revolutionary self-cleaning ease, and this may be the only treatment device you’ll ever need. Ships to Canada Only
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- Ultimate Protection: Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from “worst-case” water conditions.
- Fast & Easy: Pumps a rapid 2.5 liters per minute, offering added viral protection without the need for chemicals, bulbs, batteries, or waiting.
- Self-Cleaning: Pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required.
- Long-Lasting: Leading-edge hollow fiber cartridge treats up to 10,000+ liters.
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Extremely Durable: Engineered to withstand heavy use, freezing, drops*, and harsh environments.
*Withstands MSR water lab drop testing: 6 ft. to concrete.
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Effective against protozoa Yes Effective against bacteria Yes Effective against viruses Yes Effective against particulate Yes Effective against chemicals/toxins No Weight 1 lbs 1.3 oz / 490 g Filter media Advanced Hollow Fiber Filter pore size 0.02 microns Flow (L/min) 2.5 liters per min Cartridge life 10,000+ liters Field cleanable Self-Cleaning Field maintainable Yes Country of Origin Made in the U.S.A. of U.S. and Imported Materials Water Bottle Adapter Yes Cartridge replacement indicator Yes -
MSR Miniworks EX Microfilter
$123.99 CAD $164.95 CAD
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The MiniWorks EX microfilter is the worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes the workhorse Marathon™ EX carbon/ceramic element to ensure clean, reliable and taste-free water. Thanks to its innovative AirSpring Accumulator™, it’s capable of pumping one liter per minute and the flow rate can be renewed easily and repeatedly in the field—no tools required. It’s lightweight and compact and, most importantly, been proven reliable by thousands of adventurers just like you. Ships to Canada Only
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- Reliable: Durable carbon/ceramic element ensures safe, taste-free water—even with frequent, heavy use.
- Field-maintainable: Can be cleaned repeatedly for full filter recovery with no tools required.
- Fast Flow: AirSpring Accumulator™ increases filtration speed; up to 1-liter per minute.
- Better-tasting Water: Carbon core removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine, and pesticides.
- Testing: Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water.
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Specifications
Effective against protozoa Yes Effective against bacteria Yes Effective against viruses No Effective against particulate Yes Effective against chemicals/toxins Yes Weight 1 lb / 456 g Width 2.75 in / 7 cm Length 7.5 in / 19 cm Filter media Ceramic Plus Carbon Filter pore size 0.2 microns Flow (L/min) 1 liters per min Flow (strokes per liter) 85 Cartridge life ~2000 liters Field cleanable Yes Field maintainable Yes Country of Origin Made in Seattle, USA Mechanical advantage Yes Water Bottle Adapter Yes Cartridge replacement indicator Yes -
MSR Miniworks Filter Element
$59.99 CAD $79.95 CAD
Replacement ceramic filter element for both MiniWorks and WaterWorks microfilters provides increased flow rates for older models. Cartridge life 2000 liters Weight 3.8 oz / 107 g Diameter 1.9 in...
MSR Miniworks Maintenance Kit
$33.99 CAD $44.95 CAD
A complete maintenance kit for both MiniWorks and WaterWorks microfilters. Ships to Canada Only
MSR Thru-Link InLine Filter
$52.99 CAD $69.95 CAD
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Adding minimal gear to your pack, the Thru-Link inline filter is the simplest solution to clean water on the go. Just click it into your hydration reservoir and you’re ready to filter as you drink and hike. Engineered for high-flow drinking, it makes it easy to stay hydrated on long day hikes and fast-paced missions. The filter is compatible with any reservoir system, and uses both hollow fiber technology and activated carbon to provide reliable, safe and taste-free water. At camp, the Thru-Link lets you use your reservoir as a gravity system for the luxury of pump-free filtration. Ships to Canada Only
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Keep Moving: Don’t stop to filter–just scoop and go. Engineered specifically for high-flow, easy drinking.
- Two-Stage Filtration: Fast-flow hollow fiber removes pathogens, particulate & microplastics; activated carbon reduces chemicals, tastes and odors.
- Quick-Connect: Compatible with any hydration reservoir system on the market.
- Proven: Used by the U.S. military for more than a decade; rugged ultrasonic welded housing for reliable durability.
- Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate (dirt, microplastics). Meets U.S. EPA drinking water standards* and NSF protocol P231 testing standard for removal of bacteria and protozoa.
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Keep Moving: Don’t stop to filter–just scoop and go. Engineered specifically for high-flow, easy drinking.
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Specifications
Effective against protozoa Yes Effective against bacteria Yes Effective against viruses No Effective against particulate Yes Effective against chemicals/toxins Yes Weight 2.5 oz / 0.07 kg
Width 1.6 in / 4.2 cm
Length 7.5 in / 19 cm
Height 1.6 in / 4.2 cm
Hollow FiberFilter pore size 0.2 microns Flow (L/min) 1.5 liters per min Materials Hollow Fiber, ABS, NylonCountry of Origin Made in the U.S.A. of U.S. and Imported Materials -
MSR TrailShot Microfilter
$84.95 CAD
– Sold Out-
Clean water all day—without the weight. That’s the advantage the 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, and fill your vessels with clean water. Easy one-handed operation filters one liter in a mere 60 seconds, so you can get back on the trail quickly and moving again. At just 142 g (5 oz.), the TrailShot water filter is the ultimate filter for fast-paced, high-mileage adventurers, like trail runners, hikers, fast-packers and mountain bikers. Ships to Canada Only
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Tested: Meets U.S. EPA drinking water standards* and NSF protocol P231 for removal of bacteria (99.9999%), protozoa (99.9%), and particulates.
Pocket-Sized & Light: Like small water bottles, energy chews, mini bike pumps, and tubes, this 142 g (5 oz.) filter disappears in stash pockets.
Instant Hydration: Drink directly from the source—without lying in the dirt—and refill your bottles or hydration reservoir with clean water.
Quick-Deploy: Zero set-up and simple one-handed operation fills 1-liter bottles in 60 seconds.
Simple to Clean: A few shakes helps restore flow rates in the field; no tools required.
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Tested: Meets U.S. EPA drinking water standards* and NSF protocol P231 for removal of bacteria (99.9999%), protozoa (99.9%), and particulates.
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Specifications
Effective against protozoa Yes Effective against bacteria Yes Effective against viruses No Effective against particulate Yes Effective against chemicals/toxins No Weight 1 lb / 456 g Width 2.4 in / 6.1 cm Length 6 in / 15.25 cm Filter pore size 0.2 microns Flow (L/min) 1 liters per min Country of Origin Made in USA -
MSR TrailShot Replacement Cartridge
$48.99 CAD $64.95 CAD
This kit contains a replacement filter cartridge for the TrailShot filter, as well as the small components and instructions necessary to service your TrailShot™ water filter for lasting performance. Replacing...