H2gO Prime Survival Water Purifier, 5 mg/L, Camping Water Purifier, Tactical Survival Gear, Emergency Water Filtration. Hiking Gear Essential with Virtually Unlimited Purification. DISINFECTANT ON DEMAND – Make your own fresh disinfectant whenever you need it, using only common salt. Eliminate reliance on retailers, supply chains, and government relief agencies. KILL ALL GERMS – Proven effective against the tiniest of viruses, bacteria, Giardia, and Cryptosporidium in all water conditions. Specifically designed to handle the toughest water. VIRTUALLY UNLIMITED SAFE WATER – Each unit has a vast lifetime capacity of at least 16,000 gallons. One H2gO PRIME can provide around 5 gallons per day of safe water for 10 years. EASY OPERATION – Make disinfectant in seconds. There is no pumping, clogging, or maintenance and no backwashing, rinsing, or cleaning. BE READY TO GO – The H2gO Purifier weighs only 3.8 ounces and can fit in your pocket. The unit is rechargeable in the wild with its integrated solar panel. A single cup of salt will supply safe water for an entire year (at 5 gallons per day).