LIFESAVER® is a microbiological water filter that removes viruses, bacteria, cysts and parasites from water using ultra filtration (UF) technology. Turning contaminated water into clean drinkable water, instantly. LIFESAVER® products provide clean drinking water to adventurers, explorers, outdoor enthusiasts, emergency preppers, soldiers, campers, hikers, and to global communities who live without the benefit of a potable mains water supply. Our focus is to ensure LIFESAVER® products deliver clean drinking water as specified by the microbiological requirements of NSF/EPA guidelines. This means that all LIFESAVER® products we make meet an adaption of NSF Protocol 231 based on the recommendations on the U.S. Environmental Protection Agency.