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Previous questions customers have asked about this item

The Air Buddy is a miniature regulator second stage from which all the complicated and delicate parts have been removed, leaving only one moving part, the tilt valve. In a normal second stage, inhaling causes the diaphragm to move inward, pressing a lever which opens the needle valve allowing air from the low pressure hose to flow into your mouth. Sea Turtle replaced the needle valve with a heavy duty tilt valve in the Air Buddy. To open the tilt valve in the Air Buddy, you simply squeeze the mouthpiece with a biting movement of your mouth.

That releases the air from the low pressure hose, giving you PPAS. Positive Pressure Air Source means that your mouth will be flooded with air at a higher pressure than that of the water around you, no matter what your depth may be, forcing the water out of your mouth and allowing you to breathe. You stop the air by relaxing your pressure on the mouthpiece.

It comes mounted on a low pressure Octopus Hose to be mounted on your regulator's first stage, replacing the old fashioned "second stage" model octopus.