An ideal pump and filter set for small koi ponds up to 2,000 litres or goldfish ponds up to 4,000 litres. It contains a highly efficient mechanical and biological filter plus a solids handling pump. There is no UVC featured with this model and that is reflected in the exceptionally low price. The solids-handling pump provided can handle dirty water with dirt particles up to 4mm without clogging. As a result this is a low maintenance reliable pump, while the filter is a high-selling biological-only box filter. This set contains the following components (please click links below for more information): • PondXpert MightyMite 2000 pond pump • Hozelock Ecocel 2500 box filter * Saving made when compared to buying items separately.