Extremely popular with Spearfishermen and Free-divers. A Beuchat exclusive channelled liquid silicone mouthpiece adds comfort by increasing airflow due to the air that channels between the gums and tissue cavities. The Activa Tubair is also moulded from an extremely flexible material allowing it to be folded into a BC pocket. Mask attachment clip included. Voted Number 1 Snorkel by Hawaii's Skindiver magazine. The Beuchat Tube Air Active is a true champion's snorkel. Its simple yet innovative ergonomic elliptic tube design improves water and air flow efficiency. Beuchat's original channeled mouthpiece provides greater airflow and comfort. 1. Lateral channels 2. Tightening of the outer section for better comfort 3. Outlet section of the housing