Ultrapress Purifier Cartridge Color:Black 4 small holes have been

4 small holes have been created to offer the possibility to fix the rampant to the boots through a lanyard in case of emergency

holding a fall

durable and stretchy body fabric (solids: 80% recycled nylon/20% spandex jersey

dry insert

This user has the need to run the lamp on alkaline batteries if caught away from a power source for a long backpacking trip

Ultrapress Purifier Cartridge Color:Black 4 small holes have beenReplacement purifier cartridges for the UltraPress are designed to last 300 cycles (40 gal. 150L). Lifespan will decline when purifying water with high levels of silt, sediment or tannins. Cartridge press time increases towards the end of the cartridge lifespan; when press time reaches 25 30 seconds, the cartridge should be replaced. Cartridge continues to protect, even as press time increases.