UltraPress® Replacement Purifier Cartridge Colours:BLACK 3D-contoured construction conforms to your

3D-contoured construction conforms to your natural curvature to improve comfort and stability

That’s the magic of Bottle Bright

it fits neatly inside the fire base of your Trekker kettle for storage

Tape measure print may vary in accuracy due to the manufacturing process

UltraPress® Replacement Purifier Cartridge Colours:BLACK 3D-contoured construction conforms to yourReplacement 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,