Simply fill the large volume water bag and hang it from a tree. The Microfilter does the rest. No pumping required! In just 2-3 hours, you'll have 10 liters (2.6 gallons) of clean drinking water. The .2 micron ceramic depth filter provides protection from bacteria and protozoa like Salmonella, Colibacillosis, Vibrio Cholera, Amoebas, Schistosoma (Bilharziasis), Giardia, Cryptosporidium, etc.. Purifies while allowing water to retain it's natural minerals. Has an 80" hose. Cleans easily with an abrasive pad. Packs to 3 3/4 x 12" for easy transport and storage, carry bag included. Perfect for camping, canoeing, hunting, hiking... you name it. Note: Does not desalinate water, reduce chemicals, improve taste or kill viruses.

Specs:

-Service Life: 5,300 gallons (20,000 liters)
-Output: 1.3 gallons per hour (5 liters per hour)
-Durable silicone plastic housing