H2Odyssey Extra Air Source 2 with 6 cf Tank - Yoke The H2Odyssey Extra Air Source Station Filler Adapter is a small device that allows spare air to be filled up into the secondary air tank of your scuba gear with ease. This air filler is a handy adapter made of high quality chrome plate on brass metal that makes it easy to use and long lasting. The ultra lightweight air filler is travel friendly and can be carried easily with all other diving equipment. This small size of this air filler keeps it out of your way when you need to refill your high pressure air tank. The filler tool is very convenient when you want to top up the air in the secondary portable air tank of your dive gear. It is easy to use too. Just connect the inlet to the air compressor and screw on tire chuck to your air tank. The one way valve will ensure that the air goes in and does not come out of the tank.tank adapter Our air fill adapter assembly is a power tool that can be used to make sure that the air tanks are filled up with air pressure of up to 3000 psi through the spring loaded bleeder valve. This helps to take care of a back up for your breathing device in case the primary air tank does not work. To bulk fill your secondary tank with high flow air pressure just screw on the tank adapter to the air tank. This air filler can be used to fill air into a scuba tank of any size or shape as well as in any underwater breathing device. The H2Odyssey spare air scuba fill, has a cylinder valve that works with any local dive shop or charter boat fill station without hampering the primary source air supply.