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.
