Special patented new aquastop valve: very efficient on up / down positions
• Dry guard: seals breathing tube when submerged
• Mouthpiece: drops away when not in use - great for scuba divers
• High-quality silicone mouthpiece: is comfortable and durable
• Angled anatomical 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