For parallel treatment of both eyes. With one pH neutral DUO eye wash bottle with 500ml sterile phosphate buffer solution (4.9%) and one DUO eye wash bottle with 1000ml sterile sodium chloride solution (0.9%). With wall mounting, enclosed piktogram and mirror. Instructions included. Especially suitable for workplaces where chemicals and contaminents can penetrate the eye. Advice: Also after treatment with pH neutral solution continued flushing until medical treatment with sodium chloride solution is recommeded. Shelf life: 3 years. According to DIN EN 15154-4:2009.