deuter Streamer Helix Valve

HELIX VALVE: The new mouthpiece is drip-proof and has a water stop tap. The tap is opened by a simple quarter turn. With light pressure, the water flow is activated and flows at a comfortable rate. The integrated spring valve causes the mouthpiece to shut automatically. The “Helix Valve” is easy to take apart and clean.The whole system is free of BPA and PFC.