The MSR Arctic Fuel Pump is specifically designed for use in freezing temperatures. It features robust seals to prevent leaks in arctic conditions.
MSR says:
Specifically engineered for use in temperatures below freezing, our Arctic Fuel Pump features extra-robust seals to prevent leaks in arctic conditions. It is field-maintainable and works with all MSR liquid-fuel stoves, except the Dragonfly® stove.
Use only below 0° C (32°F).
MSR's Arctic Fuel Pump utilises materials in its seals and components that only function effectively in arctic conditions (Consistently sub 0°C temperatures). This is not a fuel pump that is suitable for use at any other time as it will potentially leak fuel.
