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MSR(R) MiniWorks(R) EX Water Microfilter
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$129.95
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SKU: WX2*0071910
Overview
Built for backcountry water treatment, this compact microfilter is suited to hunters and other outdoorsmen who need a dependable way to make questionable water more usable in camp or on the move. Its lever-action design is intended to keep water flowing steadily, and the adapter base works with most hydration bags and water bottles for added flexibility. The block carbon core is described as improving taste and reducing odors, while the inlet foam prefilter helps keep larger debris out. It is a practical addition to emergency and survival kits, though it remains a manual system that requires regular cleaning and maintenance.
Why Hunters Choose the Msr
Compact Lightweight
Survival or hunting gear
Lever-action Handle
Steady flow for filling containers
Fills Quart
Container in about 90 seconds
Block Carbon
Core improves taste and helps
Ceramic Element
Exceeds EPA purifier requirements for
Key Features
- Compact, lightweight, and easy-to-use water microfilter for backcountry and emergency kits.
- Lever-action handle maintains steady flow and fills a quart container in about 90 seconds.
- Block carbon core improves taste, reduces odors, and removes many chemicals.
- Inlet foam prefilter helps keep large debris out of the filter system.
- Marathon ceramic element exceeds EPA purifier requirements for bacteria and protozoa removal.
- Adapter base fits most hydration bags and water bottles.
Best Used For
- Backcountry hunters needing a compact filter for remote camps and emergency water planning.
- Survival-minded users building a lightweight kit for field use and preparedness.
- Hunters filling bottles or hydration bags from questionable water sources on the move.
- Outdoorsmen who want improved water taste and odor reduction during extended trips.
- Users who prefer a cleanable ceramic filter for repeated use in the field.
Specifications
| Adapter Base | Fits most hydration bags and water bottle |
|---|---|
| Bacteria Removal | Exceeds EPA purifier requirements |
| Block Carbon Core | Yes |
| Chemical Removal | Removes many chemicals |
| Cleanable Element | Yes |
| Fill Time | 1 quart in 90 seconds |
| Inlet Foam Prefilter | Yes |
| Lever Action Handle | Yes |
| Marathon Ceramic Element | Yes |
| Odor Removal | Yes |
| Protozoa Removal | Exceeds EPA purifier requirements |
| Taste Improvement | Yes |
Pros
- Compact and lightweight for easy packing with survival or hunting gear.
- Lever-action handle provides steady flow for filling containers.
- Fills a quart container in about 90 seconds.
- Block carbon core improves taste and helps reduce odors.
- Ceramic element exceeds EPA purifier requirements for bacteria and protozoa removal.
- Adapter base fits most hydration bags and water bottles.
Considerations & Trade-offs
- This is a manual pump filter, so treated water production depends on user effort rather than a hands-free setup.
- The 90-second quart fill rate is useful in the field, but it still requires pumping time when you need larger volumes.
- The block carbon core is aimed at improving taste and reducing odors, but that benefit is separate from the ceramic element’s bacteria and protozoa removal.
- The adapter base fits most hydration bags and water bottles, but compatibility is described as most—not all—containers.
Suggested Comparisons
- Backpacking water filters
- Gravity water filtration systems
- Water purification tablets
- Hydration reservoir accessories
Suggested Accessories
- Replacement filter element
- Water storage container
- Hydration reservoir
- Cleaning brush
Frequently Asked Questions
What does the MiniWorks EX Water Microfilter remove from water?
The product description says its Marathon ceramic element exceeds EPA purifier requirements for bacteria and protozoa removal. It also notes that the block carbon core removes many chemicals and helps improve taste and reduce odors.
How fast does it filter water?
The short description says the lever-action handle fills a quart container in about 90 seconds.
Can this filter be cleaned and reused?
Yes. The long description says the Marathon ceramic element can be cleaned time and time again.
Will it work with my hydration bag or water bottle?
The long description says the adapter base fits most hydration bags and water bottles.
Is it suitable as part of a hunting or emergency kit?
The product is described as compact, lightweight, and easy to use, and the short description says to throw it in with other survival gear. It is also presented as a water filter for emergency water supply needs.