Aqua Lung AirsourceThe Airsource combines a high performance second stage with a power inflator. By eliminating the need for a traditional octopus, the diver can streamline his entire system. In addition, unlike a traditional octopus that can drag in the sand or damage coral, youll take comfort knowing that the Airsource is right in front of you ready to deliver life saving air in a moments notice. New Airsource Improvements The mouthpiece has been upgraded to Comfobite