Check the listing for details. Mares Dual Octo. Condition: New. Listed at 219.95 USD. DESCRIPTIONThe Octopus Dual is made of ultra-lightweight technopolymer which greatly reduces its weight (it weighs only 183 g). It has a pneumatic-assisted (P.A.D.) design that ensures high airflow. Equipped with Superflex hose. FeaturesHigh air flow - the air bypass tube conveys air to the mouthpiece creating a swirling vortex with a low-pressure area in the center that keeps the diaphragm down during inhalation, for very sensitive and easy breathing at all depthsUltralight technolpolymer housingOversized silicone purge button is very easy to purge even while wearing thick glovesSuperflex hose is lightweight and soft, allowing maximum freedom of movement and reduced jaw fatigueTechnologyAbrasion resistant and affordable, ideal for diving in warm and moderate water temperatures. The air bypass tube delivers air to the mouthpiece creating a swirling vortex with a low pressure area in the center that keeps the diaphragm down during inhalation, for very sensitive and easy breathing at all depths. Extreme light weight and exceptional softness guarantee the maximum freedom of movement.