Lobe Pump and Centrifugal Pump with 3 phase control box with 2 x Variable Speed inverters. Pumps have plugs on them that connect into the control box. Lobe pump has stainless steel contact parts, on steel frame, inlet/outlet 32mm. Centrifugal pump is an Alfa Laval and has stainless steel contact parts, inlet is 35mm, outlet is 25mm.