Modern aerator of reduced dimensions, expressly designed for women and children. Transparent tube in flexible material, with height-adjustable attachment system to the mask. The tube ends at the top with a modern splash guard that limits the entry of water and splashes, even in the presence of waves and rough seas. The mouthpiece is angled and designed to offer high comfort even in prolonged use. At the bottom end of the snorkel there is an elliptical drain valve that facilitates emptying the aerator.