General Ecology® drinking water systems have passed the rigorous verification and field testing of research institutes, health and safety associations, independent laboratories, numerous private expeditions and above all, individual users.

 

 FIRST NEED® WATER PURIFIERS

Original Research - Microbiological water purification without the use of chemical disinfection. Article by Charles P. Gerba, PhD; Jaime E. Naranjo, BS from the Department of Soil, Water and Environmental Science, University of Arizona, Tucson, AZ. Wilderness and Environmental Medicine, 11, 12-16 (2000).