One-Way Valves

NEW! ONE-WAY VALVE.
DRINK-MIX READY!
HYDRATE WHEREVER YOU GO

Grayl GeoPress Silicone One-Way Valve for Electrolytes and Drink Mixes / Clear / Standard View
GeoPress® One-Way Drink Mix Valve
$7.95
Grayl UltraPress Silicone One-Way Valve for Electrolytes and Drink Mixes / Clear / Standard View
UltraPress® One-Way Drink Mix Valve
$7.95