Bite Valve Made of Silicone, Compatible Hydration Pack Beverage Tube Bite Valve.
Soft durable mouthpiece with easily accessible on/off valve to prevent leaks. Easily control the water flow with the yellow lever.
Easy to install, no need to change the backpack drink tube, you can use your backpack reservoir for a long time.
widely use :Easier to replace, whether you're cycling, running, hiking and other outdoor adventures!
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