Katadyn BeFree Filter 3L Gravity Mammut Hiking Shorts making the Neutrino 400 a

making the Neutrino 400 a very versatile bags

mountain-ready design

Ultra-light and ultra-compact progress capture pulley

With a full length zip and warm draft excluder collar

Soft brimmed and packable

Katadyn BeFree Filter 3L Gravity Mammut Hiking Shorts making the Neutrino 400 aKatadyn 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