Grayl Geopress Replacement Filter Color:Black then press the basket down

then press the basket down to trap the grounds

Barely noticeable in your pack

Precision flame control goes from torch to simmer

Osprey’s Dry Sacks provide the security of waterproof gear storage and color coded organization in your pack

Grayl Geopress Replacement Filter Color:Black then press the basket downReplacement 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. Removes waterborne pathogens (viruses, bacteria, protozoan