Grayl ultrapress one way electrolyte drink mix valve
Give your UltraPressA(R) a boost! Add a One-Way Valve to make it possible to add electrolytes, drink mixes and other flavored li...
Give your UltraPressA(R) a boost! Add a One-Way Valve to make it possible to add electrolytes, drink mixes and other flavored liquids into an UltraPress.Note: an UltraPressA(R) One-Way Valve now ships pre-installed in every UltraPress.
