The end part has a corrugated piece that is smooth on the inner side and keeps the snorkel away from the mouth during use when scuba diving. A special water collection well, with a large elliptic valve, allows quick and easy expulsion of water.Technical characteristics:• New design for the splash guard end-piece • Ergonomical shape for maximum comfort • Mouthpiece and corrugated piece in hypoallergenic silicone • Drainage well for quick and easy emptying