A reliable, popular and easy to use water filter for 1 to 3 person use. As part of the Back Country series of Katadyn, this filter combines compactness and real-world filtering power. - Filters bacteria, protozoa, spores, algae, cysts and sediment - Easy to maintain in field conditions - 0.2 micron filter size in the fiber glass filter - Active carbon filter reduces odor and taste and gets rid of some chemicals - Filter life: 1150 liters depending on quality of water - Box includes: - Hiker Pro filter - Prefilter - Prefilter housing - A float for keeping the prefilter off the bottom of a lake or river - Two hose sets - Easy Fill bottle adapter - Pack sack plus a ziplock bag for the outlet hose - Cleaning sponge - 3 gram tube of silicone lubricant for o rings Don't allow your filter to freeze. Water expands as it freezes and may break the filter element. *Note!* A water filter or purifier tablets cannot remove the toxins created by algae bloom, and therefore do not make water contai