This snorkel is great for scuba diving or snorkeling. A splash guard with a purge channel on top of snorkel prevents water ingress, while the elliptical purge valve at the bottom allows for quick and easy purging.The easy quick-adjust clip makes mask attachment a breeze. The snorkel also features a flexible integrated corrugation zone that allows the snorkel to bend, but not break. Another notable feature is the rotating mouthpiece assembly, allowing for the mouthpiece to fit comfortably in your mouth in a variety of angles. Additionally, the Comfo-bite? hypoallergenic mouthpiece decreases dryness while sitting comfortably in your mouth.