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MSR Thru-Link Inline Water Filter
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$54.95
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SKU: WX2*0717799
Overview
Built for moving fast with minimal gear, this inline filter integrates directly with a hydration reservoir so you can drink while you hike instead of stopping to treat water. Its two-stage design combines hollow fiber filtration with activated carbon, supporting clean, taste-conscious water on long day hikes, fast-paced missions, and time at camp. The quick-connect setup works with any reservoir system, and the unit can also be used with a reservoir as a gravity system for pump-free filtration. For hunters and other backcountry users who want a compact water-treatment option, it offers a straightforward approach without adding much complexity to the pack.
Why Hunters Choose the Msr
Inline Design
Filters water directly through your
Compatible Any
Any hydration reservoir system for
Two-stage Filtration
Combines hollow fiber and activated
Reduces Bacteria,
Protozoa, particulate, microplastics, chemicals, tastes,
Can Convert
Reservoir into a gravity system
Key Features
- Inline water filter designed to add minimal gear to a pack.
- Clicks into a hydration reservoir for drinking while you hike.
- Compatible with any hydration reservoir system.
- Uses hollow fiber technology and activated carbon for two-stage filtration.
- Can be used with a reservoir as a gravity system at camp.
- Features rugged ultrasonic welded housing for reliable durability.
Best Used For
- Long day hikes where drinking on the move matters more than stopping to filter.
- Fast-paced missions needing a low-bulk hydration setup with inline filtration.
- Camp use with a reservoir system when pump-free gravity filtration is preferred.
- Hunters and outdoorsmen wanting compatibility with any hydration reservoir system.
- Users prioritizing taste reduction from activated carbon during backcountry water treatment.
Specifications
| Bacteria Removal | 99.9999% |
|---|---|
| Chemical Reduction | Reduces chemicals, tastes and odors |
| Compatibility | Any hydration reservoir system |
| Country Of Origin | Made In The USA Of US And Imported Materials |
| Effective Against | Bacteria, protozoa, particulate, microplastics |
| Filter Type | Inline water filter |
| Filtration Stages | Two-stage |
| Filtration Technology | Hollow fiber technology and activated carbon |
| Gravity Filtration | Yes |
| Housing | Rugged ultrasonic welded housing |
| Meets Standards | U.S. EPA drinking water standards; NSF protocol P231 |
| Protozoa Removal | 99.9% |
| Quick Connect | Yes |
Pros
- Inline design filters water directly through your hydration reservoir while you keep moving.
- Compatible with any hydration reservoir system for straightforward integration.
- Two-stage filtration combines hollow fiber and activated carbon treatment.
- Reduces bacteria, protozoa, particulate, microplastics, chemicals, tastes, and odors.
- Can convert a reservoir into a gravity system at camp.
- Meets U.S. EPA drinking water standards and NSF P231 testing standard.
Considerations & Trade-offs
- Requires a hydration reservoir system to use as intended, so it is not a standalone bottle or pump filter.
- Inline design is optimized for drinking while moving, which may be less convenient for users who prefer to filter water separately at camp.
- The filter is described as effective against bacteria, protozoa, and particulate, but it is not presented as a complete solution for every water-quality concern.
- At camp, it can be used as a gravity system, but that setup still depends on your reservoir and compatible connections.
Suggested Comparisons
- Hydration reservoir accessories
- Backpacking water filters
- Gravity water filtration systems
- Portable water purification systems
Suggested Accessories
- Hydration reservoir
- Replacement filter
- Water storage container
- Backpacking water treatment accessory
Frequently Asked Questions
Will this filter work with my existing hydration reservoir?
Yes. The Thru-Link is described as compatible with any hydration reservoir system and is designed to click inline with your reservoir.
Can I drink through it while hiking, or do I need to stop and filter water separately?
It is designed for filtering as you drink and hike. The product description says it is engineered for high-flow, easy drinking and is meant to let you keep moving.
What does the filtration system remove?
The description says the two-stage system uses hollow fiber filtration to remove bacteria, protozoa, particulate, and microplastics, while activated carbon reduces chemicals, tastes, and odors.
Can I use it at camp as well as on the move?
Yes. The long description says the Thru-Link can be used at camp with your reservoir as a gravity system for pump-free filtration.
Does the product provide any verified testing or compliance information?
The description states it meets U.S. EPA drinking water standards and NSF protocol P231 testing standards for removal of bacteria and protozoa. It also notes effectiveness figures for bacteria and protozoa, as listed by the manufacturer.