Sealey compressors 100l200l500l sealey sac4505555b a 500l compressor from sealey suitable for the professional workshop fitted with two genuine 3ph motors 55hp which maximize performance to keep running costs low compared to single stage single phase models both units have two pumps which have heavy duty full cast cylinders capped by alloy heads for improved heat dissipation and long life heavy duty drive guards protect belt and flywheel that is designed to force air over the pump