The Pond Clear 6000 is a complete biological pond filter with 5 Watt UVC, for small ponds up to 6,000 litres. It comes complete with filter foam and BioBalls for biological filtration. The UVC-unit is built into the lid, which ensures a clear pond and easy maintenance. The kit comes with a Pond-Flow ECO filter pump with a pump capacity of 3,500 L/h. The larger Pond Clear kits also come as a complete biological pond filter kit with built-in UVC and a powerful electric pond pump with very low energy consumption. They all contain 2 filter chambers to ensure a good biological filtration. The first chamber is filled with filter brushes for dirt collection. The second chamber contains filter foam and Bio-Balls for biological filtration. Once again, the UVC-unit is built into the lid for easy access.