Ultra Press Purifier Cartridge Color:Black Water resistant

Water resistant

Compatibility: works with UltraPress® One-Way Valve for electrolytes and sport drink mixes

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Ultra Press Purifier Cartridge Color:Black Water resistantReplacement purifier cartridges for the UltraPress (and Ultralight) 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. OVERVIEW Replacement purifier cartridges