Katadyn Micropur Forte Tablets MF 1TDescription Fast and effective water disinfection for clear water. Essential item for any traveller to avoid contaminated water (e. g. brushing teeth, drinking water). Preserves water for up to 6 months by using silver ions. Use in combination with a filter in turbid water. Specifications Water source Tap Water Group size 1. 2 5 Usage Rarely Product Type Tablet Effective against Microorganisms Active Ingredient Sodium Dichloroisocyanurate 99. 8 mg g;