LifePackā¢ solves the problem of contaminated water by allowing you to easily filter virtually any available water safely and efficiently wherever you are. LifePack uses forward osmosis to filter out dangerous biological organisms such as bacteria, viruses and parasites. Even dissolved solids such as heavy metals and salts are greatly diminished providing your family with safe water for improved hydration. No purifying chemicals, no pumping, no chemical flavor, no clogging. Makes over 3 liters supply, filters to less than 10 angstroms & provides electrolytes. Simply use a sports drink to create osmotic pressure and draw water molecules across its membrane filter which has a microscopic pore size of 3-5 angstroms.