Sherwood CAI Semi-Dry SnorkelThe Cai Semi Dry Snorkel utilizes a newly created shield which acts like a force field against waves, wind, and splashing from entering the snorkel tube. The streamlined base provides a reservoir of space for air to flow freely from the tube to the mouthpiece without restriction. The oversize purge valve allows easy clearing of the snorkel. The 100% liquid silicone mouthpiece and flex tube ensure comfort in every situation. The Cai also comes with a