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Helix™ Bite Valve
- Cylindrical shape requires no special mouth orientation.
- Bite valve - Unique mechanism delivers full flow with just a soft bite.
- Return spring mechanism: no leaks, even under pressure or after long-term use.
- Integrated bayonet-style closure.
- Functions in any position.
- Integrated locking: twist-to-close mechanism.
- Long wearing design.
- Dirt Shield™ – Valve cover
- Angled valve
- Weight: 20 g
