Helix™ Bite Valve

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Cylindrical shape requires no special mouth orientation. Bite valve - Unique mechanism delivers full flow with just a soft bite. Retreat spring mechanism - Will not leak even under pressure or with prolonged use. Build-in bayonet style shut off. Omni directional operation. Integral lock - Integrated twist shut-off. Long wearing design. Dirt Shield™ – Valve cover Angled valve Poids: 20 gr Show more