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
5 out of 5 star rating
5
24 Reviews
GeoPress® One-Way Drink Mix Valve
$7.95 $7.95 Save $0.00
Grayl UltraPress Silicone One-Way Valve for Electrolytes and Drink Mixes / Clear / Standard View
4.8 out of 5 star rating
4.8
19 Reviews
UltraPress® One-Way Drink Mix Valve
$7.95 $7.95 Save $0.00