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A versatile, modular water filtration system that combines the speed of a pump filter with the convenience of a gravity setup. Built around the proven hollow fibre technology used in the MSR TrailShot Microfilter, the Trail Base system allows you to adapt your filtration method depending on the situation—whether you're moving fast or filtering larger volumes at camp.

In “on-the-go” mode, it functions as a compact pump filter for quick access to safe drinking water. At camp, it converts into a gravity system using the included reservoirs and hoses, making it ideal for groups or extended stays where higher water capacity is needed.

Key Features:

Dual-mode system: pump filter + gravity filter
Hollow fibre technology removes bacteria and protozoa
High flow rate for efficient water collection
Modular design for flexibility in th

2L

MSR Trail Base Water Filter (outlet)