MAIN PAGE > COMMERCIAL DIVING > FULL FACE MASK 0.00 € Poseidon Atmosphere The regulator is approved according to the cold water standard EN 250:2000. The regulator has breathing performance that by far exceeds the demands of 3J/l at 50 m depth with a cylinder pressure of 50 bar. Any standard communication system will fit the Poseidon mask. The mask has external bouyancy compensating weights which also can be used for mounting torches, video-cameras etc Developed initially for fighter plane pilots the mask was designed to be worn for up to six hours when the plane flies through chemical or biological war zones. Jetstream 1, 2 stage in set p. Price: 1124 €