2PCS ON-Off Switch Bite Valves, Straight
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- Using Medical Grade Silicone, compatible hydration pack drink tube bite valve
- Easy installation without alteration on your backpack drink tube
- Fits all major brands and types of hydration bladders
- Easy clean bite valve
- More than 30 various models bite valves for your selection
- Dingyi is professional manufacturer/supplier for outdoor gear and pet backpack.
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