New, lightweight Hydrapak Comet Bite Valve self seals after each sip and can be opened and locked with one hand to prevent leaks when not in use. A dust cover protects the silicone valve from outside elements.

Features of the Hydrapak Comet Bite Valve

• High-flow valve delivers water when you need it most.
• Self-seals after each sip and can be open and closed during activity with one hand.
• Dust Cover protects silicone bite valve from collecting dirt
• Universal ¼ diameter fitting
• Safe & Reliable
• 100% BPA and PVC Free