The is a Cressi Atelier Product
THE T10-SEAL CHAMBER 1ST STAGE is environmentally sealed, protecting it against icing in cold water and against contamination from particulate matter in silty conditions. When paired with the Master second stage, which includes an internal heat exchanger, this regulator is an excellent choice for divers exploring the most extreme cold water environments.
Very high performance regulator, Ideal for seasoned or professional divers who need extremely high performing equipment that is both simple and resistant.
Cold Water Certifiction EN250/2014