Cheap and effective kit containing Iodine Tincture, Neutraliser and a millbank Bag for producing 'safe' drinking water, essential when relying on natural water sources such as rivers and lakes. The filter bag relies solely on gravity. Simple to use - thoroughly dampen the filter bag, hang up and fill up. Filters about one litre per five minutes. After filtering, just add a few drops of Iodine Tincture to produce 'safe' drinking water and neutraliser to take away any residue taste or colour. Kit comes complete with storage pack.