The Atomic SV2 Snorkel features the latest snorkel technology. SV, which stands for Scupper Valve, is a small watertight tube located inside the snorkel body. The purpose of this features is to keep the breathing airway free and clear of water. This works by allowing water to drain into a lower reservoir each time you exhale and results in easier clearing without being uncomfortable to use. ...

The Ultradry snorkel by Oceanic remains practically desert-dry, even when at depth. Oceanic's patented dry snorkel technology eliminates water from entering the barrel while still allowing easy airflow and comfortable breathing...

The SP-170 Platina II Hyperdry snorkel is TUSA’s premier semi-dry snorkel incorporating several features such as the patented Hyperdry System making this one of the most stylish and feature packed snorkels on the market...