The most anticipated accessory for the Spectrum Full Face Mask is finally here! The Ambient Breathing Valve (ABV®) allows a diver to breathe ambient air while at the surface, thus conserving tank air! The ABV® was designed with simplicity, durability and reliability in mind. Installtion only requires a few minutes! The Spectrum ABV® comes with everything you need to start conserving air!
Ambient Breathing Valve (ABV®)