The Katadyn BaseCamp Mircofilter is the most convenient camping water filter around. The simple and easy way for safe potable drinking water - just fill and hang. There’s no pumping required with the Basecamp Microfilter, gravity will do all the work for you. The BaseCamp MicroFilter is ideal for large volumes of water for groups and families and removes Bacteria, Giardia and Cryptosporidium to EPA standards. The Katadyn Basecamp Microfilter is the easiest way for you to make safe drinking water on your next outdoor adventure.