Grayl Ultra Press Replacement Cartridge Colour:Black Sold in sets of four

Sold in sets of four

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Grayl Ultra Press Replacement Cartridge Colour:Black Sold in sets of fourDescription Features Specifications Replacement purifier cartridges for the Grayl Ultra Press 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, or it has been 3yrs since first use, the cartridge should be replaced. Cartridge continues to protect, even as