M3S is a company located in the Var south of France created in 2012.

M3S designed, develops and manufactures  the mechanical chest mount rebreather TRITON intended for all the divers.


The TRITON is the first one and the only mechanical rebreather to be certified according to the EN14143:2013 standard and this until 100m of depth.


Our will to back to the roots of the rebreather while using the current technologies;

3 years of research and development led M3S to propose the smallest, the lightest and the easiest to breathe of the rebreather market

The Company