The Faggiolati OSSI-MIX aerator is a submersible aeration and oxygenation system that allows oxygenation and simultaneous homogenization of any type of liquid industrial, domestic and zootechnical wastewater, as well as reducing investment and operating costs. The Faggiolati OM system can also be effectively used for leveling, stabilization, deodorization, neutralization and flotation of oils, fats or suspensions.