Silicone purge valve for easy draining
Pre-curved silicone mouthpiece (removable) to prevent jaw fatigue
Flexible silicone corrugated low section
Quick slip-in snorkel keeper
Unique 100% completely dry design - Patented upper valve keeps water from ever entering the snorkel Air easily enters snorkel for clean, unobstructed breathing The specially designed cover guard against water splashing into the snorkel When the dry snorkel is submerged in the water the patented hinged seal reacts to seal the snorkel to prevent the water from get in As you surface the hinged seal swings open allowing air to enter
Cobra 100% Totally Dry Snorkel with Signal Whistle