Chlorine is a widely used water disinfectant which kills most viruses and bacteria in water and treats up to 60 litres of water. As well as for treating drinking water, these water purification tablets can be used to disinfect water for cleaning teeth and washing fruit and vegetables. Treats up to 60 litres of water Kills bacteria and viruses Weight: 11g Volume: Treats up to 60 litres of water (pack of 60 tablets) Dimensions (packed): 48 x 72 x 20mm