The Oase Filtoclear Pond Filter has long been considered the best pressure filter on the market. It combines superior build quality with a very robust easy clean feature.In this set we have paired the Filtoclear 6000 with the bestselling PondXpert FreeFlow 6000 pond pump this creates a filtration system with the ability to run successfully in a fish pond of 3000 litres 660 gallons.Additional filtration provided by a 1000lph air pump can see the filter system cope with a water volume of 3500 litres.