Promate Cobra Scuba Diving Snorkeling Dry Snorkel wth Signal Whistle - SK680

Promate Cobra Dry Snorkel with Signal Whistle (SK680)

• A unique, 100% absolute dry design -- Patented upper valve keeps water from entering the snorkel.
• Allows air to easily enter snorkel for clean and unobstructed breathing.
• Specially designed cover guards against water splashing into the snorkel.
• When the dry snorkel is submerged in water, the patented hinged seal reacts to seal the snorkel, preventing water from entering.
• As you surface, the hinged seal swings open allowing air to enter.
• Built-in whistle housing.
• Quick slip-in snorkel keeper.
• Pre-curved flexible silicone corrugated low section.
• Pre-curved silicone mouthpiece, prevents jaw fatigue.
• Silicone purge valve for easy draining.