Bite valves for systems-- control speeds by biting and sipping. choke-proof, friendly for player.
Silicone nozzles-- turn water on or off using shut off valve, which makes drinking easier when you are active.
Backpack-- shut-off lets you control liquid . turn on when you need it; off when you don't.
-- dont throw your bladder just yet! use this kit to solve most common hydration bladder problems.
Bite valve replacement-- - 45 degree shutoff valve, with on- off function, which make drinking easily when you are active. easy installation without alteration on your backpack drink tube, does not affect your taste.