Platypus HyFLO Bite Valve

HyFLO™ is an optimized, one-piece and leak-proof, self-sealing bite valve with a high flow rate. It is made of soft, tasteless and medically safe silicone that will last for many years. The bite valve is part of all Big Zip™ EVO and Hoser™ series hydration bladders. It is also suitable for all previous Platypus closing valves.