Katadyn Gravity BeFree Microfilter 3.0L Gear Aid former Curator of Ornithology at

former Curator of Ornithology at the Royal Ontario Museum

Comprehensive hiking

Back slip pocket

Two Heaters

Light-reflecting white interior for better visibility of gear

Katadyn Gravity BeFree Microfilter 3.0L Gear Aid former Curator of Ornithology atOverview Details The BeFree Gravity 3. 0L weighs just 192 grams and uses gravity to purify up to 2 liters of clean drinking water per minute. The handling of the water filter is particularly easy: all you need to do is fill the flexible BPA and PVC free Hydrapak hydration pack with water. The water passes through a 0. 1 micron hollow fiber filter which reliable removes bacteria, cysts and sediment with its pore size of 0. 1 micron (0. 0001 mm). The