Ultrapress Purifier Cartridge Size:One Size Polarmax Double Layer is a

Polarmax Double Layer is a favorite choice that makes for a soft

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Ultrapress Purifier Cartridge Size:One Size Polarmax Double Layer is aOverview Replacement 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. _____________________________ Features Removes