The Amazon and Congo pumps are low voltage, D.C., plastic submersibles for battery operation only. They are available in two formats: standard pump only, with a 4 metre PVC cable and crocodile clips, or as a kit which also has 4 metres of pvc/nitrile layflat hose and an adjustable on/off spray nozzle. Both are designed for transfer and drainage of fresh water, seawater and diesel fuel. Higher heads can by operating pumps in series. This can be achieved by detaching the removable strainer and exposing the inlet which has a hose connection. The hose from another pump, of the same hose size, can be connected to this. Motors are continuously rated, but brush life is determined by usage. They must NOT pump, petrol, high viscosity liquids, chemicals, solvents or products with a low fl ash point.