Geopress Purifier Cartridge Color:Black Increased breathability with mesh panels

Increased breathability with mesh panels on top of the foot

A high rise that is fitted at the waist and hip and relaxes into a slouchy straight leg

and biodegradable

Stash it in your running vest

Geopress Purifier Cartridge Color:Black Increased breathability with mesh panelsReplacement 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.