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PRODUCT OVERVIEW
Give your Grayl UltraPress® a boost by adding the Grayl UltraPress® One-Way Valve to make it possible to add electrolytes, drink mixes and other flavoured liquids. A feature no other drink-thru filter bottle can deliver, the UltraPress® One-Way Valve allows electrolytes and sport drink mixes to be added to clean purified water without compromising the integrity of the filter. It also allows an UltraPress® to be used with a variety of flavoured drinks such as juice, bubbly water, mocktails and cocktails.
Reg: $14.99
CLUB $10.49