IST Dry Top Snorkel with Purge Valve & Flex Tube

DRY-TOP TECHNOLOGY — External splash guard prevents water from getting into the tube. ULTRA-COMFORTABLE — Mouthpiece features bite tabs to reduce jaw fatigue. FLEX TUBE — Corrugated center hose falls away from the face when not in use. EASY PURGE — Features a generous purge chamber and valve. 5 FUN DESIGNS — Available in five sporty colors to match your dive style.  Black silicone color option available Top-Notch Technology The IST SN-204 features convenient details with divers in mind. An exterior splash guard covers the top of the tube to keep water out when buoyant at the surface, while a specially-engineered hinge system and float seal the tube when underwater.  This updated model prevents the airway from becoming unintentionally blocked at the water's surface. Comfortable Fit A soft, malleable silicone mouthpiece is hypoallergenic and forms to your bite for reduced neck and jaw fatigue. The flexible corrugated tube is ideal for switching to a regulator as it falls away from the