Water purification tablets , no unpleasant taste , odour or colour , Ultra compact , individually sealed tablets , iodine free , safe for pregnant women , long term use and those with iodine allergies , Each tablet clears 1 litre of water in 30 minute contact time , effective against giardia, faecal coliforms , cholera , typhoid , dysentery and other water borne diseases including hepatitis A & E , and salmonella . 50 - 1 L tablets per pack
