The NSP180A benefits from the new NST sound reduction and AutoSave energy conservation technology. The EcoTwin, long life, two stage motor turbine, together with our high efficiency suction system, plays an important part in raising the Eco performance levels, whilst the HepaFlo filtration concept ensures the highest operational standards combined with clean and convenient emptying when full. Less energy, lower noise, longer life and user convenience ... NuSave the way forward.