Gas fog horn complete with plastic trumpet, stainless steel base and 400 ml bottle containing non-inflammable gas ozone friendly HFA, non flammable (134A), homologation R.I.Na. ELE / 80596/01. Suitable for boats between 12 and 50 m. length. R.I.Na. approval ELE/80596/01. Admitted in substitution ofthe bell on the craft of less than 50 meters. (D. L. 09.05.1990 No.421).