Mares Ergo Splash SnorkelThe new ERGO snorkel family was designed for maximum performance both for scuba divers and snorkelers alike. From one end to the other, the ergonomic shape fits perfectly to the side of the head. It come with a corrugated flex hose made using high quality silicone and features a snorkel keeper which can be adjusted in many positions. It also includes an exhaust valve in the mouthpiece for prompt purging. The mouthpiece is molded in soft rubber for greater shock and wear resistance, also to properly host the exhaust valve.