Duke 7 mm Maximum depth indicator

Maximum depth indicator

{29 in x 14 in x 12 in | 73

The F-Dual mask has a wide split strap design for comfort and to give even-tension on the skirt for a proper seal

and the Corsica snorkel

Duke 7 mm Maximum depth indicatorDuke Dry The Duke is a full face mask (FFM) and it is designed to give the user the opportunity to breathe easily. Obviously, its not the first of its type. In fact, we could say that Cressis Medusa mask was the first FFM but it didnt separate the breathing chamber from the vision chamber. Cressi owned a patent for the Medusa mask. Our new system of breathing, that we have designed are patenting, because it doesnt use the old system of breathing