Thanks to the perfect coordination between the 2500 l/h filter pump, the pressure filter, and the integrated 9-watt UVC pre-filter, ponds up to 6 m³ (for fish up to 3 m³ and for koi up to 3.5 m³) are guaranteed to be clear. Even higher streams can be easily supplied with water. With the included 5 m hose, the complete set can be quickly and easily connected. The required cleaning is also straightforward, as it is performed from the outside and indicated beforehand. Maintenance is made simple thanks to the patented cleaning function in the lid. It can be perfectly integrated into the surroundings by burying it up to the lid. Reliable OASE quality. Included in the delivery: 5 m 1" hose and OASE filter pump 2500.