The HyperFlow bite valve is made of a soft, taste-free and medical-grade silicone that stands up to years of use. The bite valve is compatible with all Platypus drink tubes and shutoff valves.
The HyperFlow bite valve is made of a soft, taste-free and medical-grade silicone that stands up to years of use. The bite valve is compatible with all Platypus drink tubes and shutoff valves.