The Deuter Streamer Tube Helix Valve is an accessory tube for hydration reservoirs and backpacks, designed to bring water from your pack to your mouth without pausing your activity.
This version of the Streamer Tube, equipped with Deuter’s Helix Valve, adds just 72 grams to your gear and avoids the use of PFCs in its materials. The low weight means it hardly affects your pack load, and the PFC-free construction aligns with a more environmentally conscious approach to outdoor equipment.
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Deuter says about the Streamer Tube - Helix Valve
The new mouthpiece is leak-free thanks to its water-stop locking action. Simply turn to open. Light pressure activates the drink opening, which provides a pleasingly high flow of liquid regardless of the position in the mouth. When done drinking, the integral spring valve automatically closes the mouthpiece. The "Hi-Flow Bite Valve" is easily disassembled for cleaning.
The attachable protective cap keeps the mouthpiece free from dirt during longer journeys.
The whole system is BPA-free as well as PFC-free.