This set is perfect for small koi ponds up to 3,000 litres and goldfish ponds up to 6,000 litres. It consists of perfectly-matched components, including a pump that cam handle 4mm solids at low running costs and a solid box filter. There is no UVC featured with this model of filter but this is reflected in the exceptionally low price. This set contains the following components (please click links below for more information): • PondXpert MightyMite 3000 pond pump • Hozelock Ecocel 5000 box filter * Saving made when compared to buying items separately.