Grayl UltraPress® + Ultralight Replacement Purifier Cartridge - Black boots and comfortable — the Wind

and comfortable — the Wind has it all

With comfortable and adjustable rugged straps

12 oz (400 GSM)

The front lace gives an adjustable fit whilst the zip on the side gives an easy on and off and an adjustable fit whilst the padded collar gives a good feel around the ankle

Grayl UltraPress® + Ultralight Replacement Purifier Cartridge - Black boots and comfortable — the WindReplacement purifier cartridges for the UltraPress (Also works for the Ultralight) 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. Removes waterborne