Grayl UltraPress Purifier Cartridge First Aid Kit The Tip-Lock slider locks the

The Tip-Lock slider locks the blade closed when folded

this high-strength mechanism locks the blade securely open during use

Receive hand selected items

Clip: Stainless steel

Mesh Pockets

Grayl UltraPress Purifier Cartridge First Aid Kit The Tip-Lock slider locks theReplacement purifier cartridges for the UltraPress 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, the cartridge should be replaced. Cartridge continues to protect, even as press time increases. Features: Removes waterborne pathogens (viruses,