30 Chlorine Tablets - these will treat up to 60 litres of water.
Chlorine will kill harmful bacteria in water, but, unlike iodine, it will not destroy harmful cysts and protozoa such as giardia. However, water purified by chlorine can be drunk indefinitely with no harmful effects as a rule.
An unopened tablet will last up to 5 years from date of manufacture.
Volume: Treats up to 60 litres of water (pack of 60 tablets).
Dimensions (packed): 48mm x 72mm x 20mm.
Weight: c 11g.