I came across this full face mask.
Ist Full Face Scuba Diving Mask | eBay
It seems that it includes in the interior side a mouth piece, and the 2nd stage regulator should be installed in it.
Is this the way it works ?
Though this is IST, there is a similar one from Cressi.
Ist Full Face Scuba Diving Mask | eBay
It seems that it includes in the interior side a mouth piece, and the 2nd stage regulator should be installed in it.
Is this the way it works ?
Though this is IST, there is a similar one from Cressi.