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The Hydrapak Blaster Bite Valve Sheath 2-Pack gives you two replacement silicone bite valve sheaths for Hydrapak soft flasks, UltraFlasks and older reservoirs, so a chewed mouthpiece does not mean a new flask. Swap one on in seconds and stash the spare in your race kit.
It is for runners who love their flasks and wreck their valves. The durable silicone gives a soft, comfortable bite, and you replace only the worn sheath rather than the whole flask. Two in a pack means one for right now and one for the drop bag.
Check your valve first: these sheaths do not fit Hydrapak's newer Comet valves or any Hydrapak reservoir from 2023 on. Running a current Hydrapak reservoir or the Comet Bite Valve? You want the Comet Bite Valve Sheath 2-Pack instead.