About This IDEAL REPLACEMENT PART FOR YOUR BLADDER:The bite valves are made of Medical Grade Silicone, compatible hydration pack drink tube bite valve, taste free, BPA free, SGS certified,safe for drinking.Easier replacement,whether you are on a bicycle, running, hiking and other outdoor adventures! 360-DEGREE DESIGN - 360-degree designed hydration bladder bite,angled mouthpiece makes drinking more comfortable, and it allows for significantly shorter tubes MEDICAL GRADE SILICONE:The diameter of the water pipe joint is about 10mm / 0.39 inches.The bite valves are compatible with most hydration bladders brands. SELF-SEALING BITE VALVES:Have a one-piece construction so there are no water drips.Durable and soft, drains wholesome water from water bladder.Easy installation without alteration on your backpack drink tube,There are four mouthpieces included in the package so you can use your backpack reservoir for a long time WIDE APPLICATIONS AND SATISFIED SHOPPING:2 Shutoff Valve,this bite valve replacement kit can fit for most hydration bladder brands on the market,If you are not absolutely happy with your purchase of the replacement for any reason, simply send it back or to get a new replacement. We take pride in providing an awesome customer support!
