MSA Self Rescuer SSR 30/100The MSA SSR 30 100 is a compact, self contained oxygen self rescuer designed for emergency escape situations in mining, tunnelling and hazardous industrial environments. Built for reliability when it matters most, the SSR 30 100 provides a breathable oxygen supply in toxic, smoke filled or oxygen deficient atmospheres, helping workers reach safety during emergency situations. Key Features Self contained emergency oxygen supply Compact and lightweight