TUSA Sport Dry SnorkelTUSA Sport Dry Snorkel TUSA Sport Dry Snorkel features TUSA Hyperdry Elite dry top technology (pat p) that stops water from entering into the snorkel, a drain chamber and purge valve for easy clearing, and a silicone mouthpiece. TUSA Sport Dry Snorkel Features Pure Silicone Flex Neck and Mouthpiece Patented Hyperdry Elite Dry Top Technology Large capacity drain chamber and purge valve for easy clearing Ortho consciously designed mouthpiece for