The Sherwood Tiga Snorkel is one of the best Dry Snorkels in Diving, and is aScuba Lab's Tester's Choice Award Winners. The Tiga provides hours ofcomfortable safe snorkeling. The Tiga's dry valve quickly closes to keep thewater out but opens just a quickly to allow fresh air in. And if any waterdoes by chance enter the tube the large reservoir keeps the water away fromyour breathing and can be quickly expelled through the highly efficientsilicone purge valve. The Quick Disconnect Snorkel Keeper connects to yourmask in one click.