70 Litre AFFF Foam Mobile extinguisher is best suited to Class A and B fires. These fires include ordinary combustables such as wood, paper, plastics, rubber and rubbish as well as flammable and combustable liquids such as petrol. The 70 Litre Foam mobile is the middle of the range in terms of size with features that include a stainless steel cylinder, ultra high UV powder coated red finish and a galvanised red powder coated trolley.