Katadyn BeFree Filter 3L Gravity Mammut Hiking Shorts while a stowable attachment hook

while a stowable attachment hook secures the pants firmly over your mountaineering boots

Built on the precision-oriented BNN last

With a full length zip and warm draft excluder collar

Short arm (without carabiner): 22 cm

Katadyn BeFree Filter 3L Gravity Mammut Hiking Shorts while a stowable attachment hookKatadyn BeFree Filter 3L Gravity weighs just 192 grams and uses gravity to purify up to 2 litres 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 fibre filter which reliably removes bacteria, cysts and sediment with its pore size of 0. 1 micron (0. 0001 mm). The integrated