WATER PURIFICATION tablets British manufacturer - Oasis. The product is dedicated primarily to travelers and lovers of survival and military expeditions. The task of the tablet is to purify water from bacteria and other chemical impurities. 30 minutes after use the water is suitable for consumption (without cooking). This product helps to protect you from poisoning or illness caused by a contaminated water. Depending on the level of contamination 1 liter of water should be purified by 1-2 tablets. Water Purification Tablets can also serve as a cleaner for vegetables and fruits. To do this, dissolve 5 tablets in 0.5 l of water and then wet the products for 10 minutes. The box contains 50 tablets.