This filter is a pressure filter. This means it can be placed as you wish. It does not matter whether you place it above or below the surface of the water. These filters are also very popular because they can operate waterfalls, streams, fountains etc. with a height of up to 3 meters.Includes easy and uncomplicated back-wash function through the multi-port valve. A 3rd tube can be attached to the filter and used to flush out the dirty water of the filter through a lever hoist on the filter head.Thanks to the 11 Watt integrated UVC lamp, you have will have completely algae-free and clear water.Due to the Bio-filter system, ammoniac and nitrates are filtered in the pond. The wave filter pump is made from high-quality rust-proof ceramic.Throughput: max. 10000 L/h Dimensions: length 380 mm, width/depth 380 mm, height 510 mmUV-C clarifier: 11 WattFilter volume: maximum 12 litres Connections: 20/32/40mm 3/4 Inch - 1 1/2 Inches Suitable for ponds with fish: 5000ltrs Suitable for decorative ponds: 10000ltrs