This 400W Makita submersible drainage pump has a maximum pumping capacity of 180 litres per minute & can be used in various conditions. It is suitable for clean or slightly dirty water & has an 8mm maximum intake diameter for solid material. It is useful for drinking water & wells prior to treatment, rain water barrels & casks, flood water, reservoirs, ponds, swimming pools & cellars. The pump weighs in at only 5.3kg, for great portability & ease of use.