Uncharted Supply Co. Puribag System
Best lightweight water purification for emergency preparedness and backcountry travel.
This is the ultimate insurance policy for your emergency kit, transforming questionable water sources into safe hydration with a simple, four-stage process. It’s incredibly lightweight and compact, though you sacrifice the instant gratification of a straw filter for a more thorough, batch-based purification method.
$42.99
at
Uncharted Supply Co.
Who it's for
- Families or groups needing large-scale emergency water supplies
- Preppers prioritizing safety from viruses and biological contaminants
- Emergency planners with limited storage space in vehicles
Who should skip it
- Users needing immediate hydration during urgent situations
- Survivalists wanting a system independent of consumable refills
- Individuals unable to lift or maneuver heavy, awkward loads
Performance breakdown
Portability
Featherlight design makes it an effortless addition to any emergency kit.
Purification Efficacy
Four-stage process meets rigorous WHO standards for safe drinking water.
Storage Capacity
Treats 120 liters total, sustaining a family for two full weeks.
Ease of Use
Simple, intuitive workflow makes water treatment accessible during high-stress situations.
Turbidity Handling
Effectively clears murky water sources where standard filters often struggle.
Shelf Life
Three-year stockpile readiness ensures peace of mind for long-term planning.
Key Specs
Total Capacity
120 Liters (12 sachets x 10 Liters each)
Weight
Less than 200 grams
Treatment Time
30 minutes per 10L batch
Shelf Life
Up to three years when stockpiled
Filtration Stages
Filtration, flocculation, sorption, and chemical disinfection
Output
Provides clean water for a family of four for up to two weeks or an individual for one month
Know before you buy
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