PRODUCT DATASHEET OTS Ambient Breathing Valve THIS PRODUCT HAS THE FOLLOWING OPTIONS: No product options are available. OVERVIEW The Ocean Technology Systems (OTS) ABV-2 includes AGA Visor (Valve installed on Visor) which allows the user to breathe ambient air at the surface conserving your tank air.

The Ocean Technology Systems (OTS) ABV-2 Ambient Breathing Valve with Visor allows the user to breathe ambient air at the surface, conserving your tank air. It is simple to use and its low profile keeps it out of the way. It is simple to use and its low profile keeps it out of the way.To use the device, while on the surface simply rotate the valve counterclockwise. The one way valve will open and allow air into the FFM. The one way valve located on the inside of the full face mask ensures that your exhaled air does not go back out the valve. Your exhaled air is sent out through the second stage...