Grayl Geopress Replacement Filter CAMPINGFOOD boxer-brief liner

boxer-brief liner

the high-capacity GravityWorks Water Filter System filter is one of the easiest and fastest ways to get filtered water in the backcountry

Pack Size                     8 in x 25 in

This is the lightest

Grayl Geopress Replacement Filter CAMPINGFOOD boxer-brief linerReplacement 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.