Source Helix Soft Bite Drinking Valve

Bite valve – leakproof drinking with unique spring sealing mechanism
Handsfree drinking with just a soft bite
The Helix Valve provides full water flow with just a soft bite. The cylindrical shape requires no special mouth orientation. The retreat spring sealing mechanism is leakproof even after prolonged use and under pressure. The kit includes Helix Valve with dirt shield for protection of the valve from dust and dirt.