• BOTTOM PURGE VALVE1. Drip out extra water from tube automatically.2. Clear the snorkel easilywith a good blow or liguid water.
• Ergonomic design easily attach to any regular snorkel/dive mask
• Food Grade Material

FAQ

1.Can this be used for lap swimming in a pool?

The most common use given is in the ocean ( snorkeling) If you would like to use it in a pool to aide in swimming you can do that as well.