The Hydro-Pro full face snorkel mask Flowtech has a highly efficient air circulation system that covers the entire face', "It's perfect for all of your favorite water activities, such as snorkeling, lap swimming, and open water exploration", 'Dual air flow technology, the innovative mask and snorkel design ensures natural breathing through the nose and mouth even in the water, With dual air flow technology, the air enters and leaves the mask through two snorkel openings, so that fresh air is available with every breath, Full-dry-top technology, the advanced dry-top technology prevents water from penetrating the mask when you are submerged, A little swimmer seals the snorkel opening,xa0so that you do not have to worry about water entering your breathing area while diving, Comfortable fit the soft silicone that surrounds the entire face allows you to squeeze your nose together to equalize pressure without having to take off the mask.
