Aqua Lung ABS Scuba Octopus Exceeds CE breathing requirements for regulators Versatile design allows proper function when right side up or upside down Unique 120 degree angle between hose and mouthpiece: This Aqua Lung innovation is ideal for giving your octopus to a buddy - will work in either right hand or left hand positions. No more sharp bends in the hose or upside down octopuses in the mouth Custom quick-release mounting clip keeps the ABS properly located on the body at all times 39" yellow hose easily distinguishes your ABS hose from your primary hose.