MSR MiniWorks EX Purifier
Best durable water filtration system for long distance backpackers
A robust, field-serviceable pump system that tackles both biological contaminants and viruses. It combines a physical ceramic filter with chemical purification tablets, making it a reliable choice for international travel or high-risk wilderness water sources.
$134.95
at
The BackCountry
Who it's for
- Backcountry explorers who need reliable performance in silty or turbid water.
- Hikers seeking a seamless and mess-free water collection system.
- Frequent backpackers looking for a long-lasting investment for remote trips.
Who should skip it
- Ultralight backpackers prioritizing a minimal base weight for long-distance treks.
- Groups needing high volumes of water quickly at camp.
- Minimalist travelers with limited pack volume for gear storage.
Performance breakdown
Field Maintainability
Tool-free cleaning makes restoring flow rates simple in remote backcountry settings.
Purification Versatility
Dual-stage system effectively tackles viruses, bacteria, and protozoa with ease.
Flow Rate
One liter per minute is reliable but slower than modern hollow-fiber alternatives.
Durability
Rugged construction withstands the harsh realities of long-term international travel.
Portability
Compact enough for backpacking, though heavier than ultralight squeeze-style filters.
Filter Longevity
Two-thousand-liter capacity offers impressive lifespan for extended wilderness expeditions.
Key Specs
Weight
1 lb
Dimensions
2.75 in x 7.5 in x 5.5 in
Filter Type
Ceramic and Carbon
Filtration Method
Ceramic/Carbon element and Chlorine-based tablets
Filter Lifespan
2000 liters
Flow Rate
1 liters per minute
Micron Rating
0.2 microns
Contaminants Removed
Viruses, bacteria, protozoa, particulate, taste, odors, chemicals
Capacity
2000 liters
Backwashable
Yes
Know before you buy
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