thumb|right|A diver in a pool wearing an AGA full face mask
thumb|right|A diver wearing an Ocean Reef full face mask
thumb|Head protection helmet for use with Ocean Reef full face diving mask
A full-face diving mask is a type of diving mask that seals the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing gas.
Further reading
- Robinson, M. The Encyclopedia & Guide To Diving With A Full Face Mask, Trafford Publishing, 2012.
