The project concerns the supply and installation of five (5) Oxygen gas plants in an equal number of hospitals with responsibility for the 2nd Ministry of the Environment of Piraeus and the Aegean and in particular: P.G.N. “ATTIKON”, G.N.N. Nikaias “Ag. Panteleimon”, General Hospital Elefsina “Thriaios”, General Hospital “Asklepiio” Voulas and General Hospital of Kythera – Kythera.