Description Cressi Alpha Ultra Dry Snorkel The Cressi Alpha Ultra Dry snorkelboasts impressive features for its price point and is a fantastic choice for both beginners & recreational snorkelers. The low-profile mouthpiece and purge valve reduces water resistance due to their compact size. Additionally, the Dry Valve’s low profile offers an advantage by minimizing drag while scuba diving. Another standout feature of this model snorkel is a dry-top valve that automatically closes when you duck dive underwater, preventing water from entering the snorkel. It includes a soft silicone mouthpiece, a user-friendly snorkel keeper for easy attachment to any mask, and a drop-away flexible neck. Features & Technology: Features a float mechanism which closes instantly to prevent water from entering the snorkel whether accidentally or purposely submerged Flexible lower bore reduces jaw fatigue Mouthpiece drops away when not in use–great for scuba divers High-quality silicone mouthpiece is comfortable and durable Angled mouthpiece reduces jaw fatigue Lower purge valve allows water to be quickly expelled Streamlined design reduces drag while swimming Adjustable clip for securing to any mask Specifications & Dimensions: Tube Length – 440mm Tube Diameter – 40mm Mouth Piece – 50mm x 90mm