This snorkel have the excellent quality, wonderful designed that has all the features that make you happy when you choose an easy-to-use dry snorkel and enjoy your diving The float mechanism that closes instantly to prevent water from entering the snorkel whether accidentally or purposely submerged At the tube bottom , the small reservoir that collects water, which is very easy to expel thanks to the purge valve, simply by blowing without effort The quick-release keeper matches to the mask strap with a simple click, Push the button to unjoin the snorkel from the mask without removing the keeper from the mask strap Classical shape increases airflow capacity for more comfortable breathing and a purge valve enables instant clearing when needed