If you want the backyard koi pond you always dreamed of, you can have it using the Aquapro AP6100DW. The AP6100DW filtration pump are ideal for situations where soft solids like fish waste and dead leaves are present. The open vane impeller effortlessly handles 6mm soft solids, meaning these pumps need minimal maintenance. The AP6100DW can easily manage an external pressure filter in order to keep your pond completely clean from fish waste and other debris. This pump is ideal for medium fishponds up to 6000 litres and has a maximum head height of 4.0m.