This is the Aqua Lung Impulse Dry Snorkel

Features:

• Patented Impulse DryTM valve is positioned facing forward, causing the valve to close quicker, preventing water from entering the snorkel eliminating the need for clearing the snorkel
• The new barrel and valve design ensures the highest performance and was validated through extensive Ansti testing
• New two piece snorkel keeper allows for easy mounting and removal of the snorkel to the mask strap
• Flex section for comfortable positioning and will drop away when not in use
• Self-draining Purge Valve for use when switching from Scuba to snorkel
• Pure soft silicone patented Comfo-Bite mouthpiece. The Comfo-Bite mouthpiece design does not require clenching your teeth to hold the mouthpiece in place preventing jaw fatigue and adding hours to your enjoyment
• The Comfo-BiteTM mouthpiece is also replaceable if necessary

The Impulse Dry snorkel is designed with the dry valve facing forward, allowing the valve to close quicker than any other dry snorkel. The new barrel shape makes the snorkel more streamlined in the water. Even the snorkel keeper has been improved to include a push button two piece connector, allowing for easy connection to the mask strap. "