This is a perfect solution for goldfish ponds up to 27,000 litres 6,000 gallons and pairs a bestselling filter pump with a phenomenal multi stage box filter. It is even good enough for koi pond with a maximum pond volume of 13,500 litres. The compact multi bay system employs filter foam cartridges, brushes and flocor media to ensure your dirty pond water is thoroughly filtered. It has a powerful 25w uvc unit built into the lid to keep your water clear of green water and is a doddle to clean by utilising the quick action back flush. A full de sludge is also available thanks to a simple hose attachment all filter media is held above the filter floor so valuable friendly bacteria will not be harmed by this process. The powerful pondpush 10000 filter pump is economical to run and can handle 6mm solids. Br br this set contains the following components please click links below for more information br • pondxpert ultraflow 10000 pond pump br • lotus clear pond 50 box filter br br saving made when compared to buying items separately.