Grayl UltraPress® + Ultralight Replacement Purifier Cartridge - Black boots Thumbless design for easy dressing

Thumbless design for easy dressing

DEET Free formula

Temperature rated to -31°C (-25°F) to ensure a warm wearing experience

It has a tan basketweave embossed strap that is accented with western floral embossed tabs

The exterior fabric is water-resistant to keep you dry

Grayl UltraPress® + Ultralight Replacement Purifier Cartridge - Black boots Thumbless design for easy dressingReplacement 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