Check the listing for details. COGHLANS TWO STEP WATER TREATMENT #9586 MADE IN USA. Condition: New. Listed at 21.51 USD. COGHLAN'S® TWO-STEP DRINKING WATER TREATMENT Manufactured in the USA for Coghlan's®, the Two-Step Drinking Water Treatment system is perfect for emergency or survival situations. The kit is comprised of two bottles, each containing 50 tablets. The kit is suitable for treatment of approx 24L of drinking water (1 tablet per 500ml). Step-1 is a germicidal treatment that is proven effective against bacteria such as Giardia*. Step-2 is a neutralizer used to remove any iodine taste in the water. Comprehensive range of Hydration, Filtration and purification products available from our ebay store.Sealed bottles have shelf life >4 yearsEffective against bacteria such as Giardia*Step One bottle contains 50 Germicidal TabletsStep Two bottle contains 50 Neutralizer TabletsTreats