Description of Camelbak Cleanin Brush Set An innovative way to keep your delivery tube and reservoir clean. Includes reservoir brush and tube brush for a complete cleaning solution. Features: Reservoir brush has a radial tip to prevent puncture of reservoir. Flexible spring wire cleans CamelBak delivery tubes. Nylon brush helps you reach the corners. Memory bristles. If bristles become irregular, just heat them up with an ordinary blow dryer. Kit includes both brushes. Tube Brush : Cleans CamelBak delivery tubes. To clean, disconnect tube from reservoir and Big BiteTM Valve mouthpiece. Then run brush through tube from either end to clean entire length. Reservoir Brush : Cleans all sizes of CamelBak reservoirs. To clean, insert brush through filling port. For larger reservoirs, collapse top and insert brush to reach bottom.