Flexible spring wire cleans CamelBak delivery tubes. Nylon brush helps you reach the corners. If bristles become irregular, just heat them up with an ordinary blow dryer.
Kit includes both brushes.
CamelBak Brush Kit - Another innovative way to keep your delivery tube and reservoir clean. To clean, disconnect tube from reservoir and Big Bite Valve mouthpiece. Then run brush through tube from either end to clean entire length. To clean, insert brush through filling port. For larger reservoirs, collapse top and insert brush to reach bottom.