The LIFESAVER cube will keep you alive, developed in conjunction with Oxfam GB, the LIFESAVER cube is proven to deliver clean, safe water in times of desperate need. It is the ideal clean water solution in disaster response situations due to its ease of use, no training required and no wait times. The cube delivers instant, safe clean water. LIFESAVER technology: The LIFESAVER technology is the world's first portable technology that removes all bacteria, viruses, cysts, parasites, fungi and all other microbiological waterborne pathogens without the aid of any foul tasting chemicals like iodine or chlorine or the need for any power or UV light. LIFESAVER ultra-filtration cartridge: The LIFESAVER cube 5000UF comes pre-installed with a ultra-filtration (UF) cartridge which has the capacity to produce 5,000 liters of clean water, instantly, wherever and whenever you need it. The 5000UF cartridge will last approximately 4 1/2 years before a replacement cartridge is required. This is based on the user filtering 3 liters per day; as per the World Health Organization (WHO) guidelines for drinking water recommendations. LIFESAVER activated carbon filter: The LIFESAVER activated carbon filters are made of high specification activated carbon block which reduces a broad spectrum of chemical residues including pesticides, endocrine, disrupting compounds, medical residues and heavy metals such as lead and copper. It also eliminates bad tastes and odors from contaminates such as chlorine and sulphur resulting in clearer, more natural tasting drinking water. Each cube activated carbon filter will process 100ml of water. Actual Product Weight: 0.9 lbs.