GYZR Bite Valve Sheath 4 Pack

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Rated 4.0 out of 5
Based on 1 review

Product Description

This is the bite valve sheath replacement for Mazama's GYZR™ Bite Valve. Includes 4 bite valve sheaths per package. The soft silicone sheath provides large volume fluid flow and 360-degree flow activation. Easy installation: pull your old valve sheath carefully off the mouthpiece collar and replace it with your new one. Only for Mazama INTAKE™ and Trailflow™ Reservoir Systems and GYZR™ and UltraValve™ Drink Tube Sets. GYZR™ sheaths WILL NOT FIT Mazama 1/4" ID Drink tube reservoir systems including AXE, DUAL, Backflip, or DoubleCap Reservoirs. GYZR™ sheaths WILL NOT FIT other brands' bite valves or bottles. Replacement bite valve sheath 4 pack:
  • 360 degree high flow bite valve
  • Food grade Silicone sheath


average rating 4.0 out of 5
Based on 1 review
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1 Review
Reviewed by Whitney T.
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I recommend this product
Rated 4 out of 5
Review posted


I really enjoy using these but the reason I ordered this is because the original one broke on a recent trip. Not sure how long they’re meant to last but good idea to carry a spare or 2 for longer trips.

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