Grayl GeoPress Purifier Cartridge Slip Resistant moisture-wicking 100% polyester (42% recycled)

moisture-wicking 100% polyester (42% recycled) crepe built-in liner with HeiQ Pure odor control

Triple needle construction

• YKK Zipper

concealed-zip back pocket

Grayl GeoPress Purifier Cartridge Slip Resistant moisture-wicking 100% polyester (42% recycled)Replacement purifier cartridges for the GeoPress are designed to last 350 cycles (65 gal. 250L). 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.