This bio pond filter is an indicator for pollution. It can handle a large water flow. The waste outlet at the bottom of the filter filters larger debris. There is also a temperature indicator for measuring the actual water temperature. With this bio pond filter you will be able to simply squeeze out the filter materials with the included slide system. Included with this bio pump filter is filter material and a kit for assembly. You can combine this bio pond filter with our UVC clarifying device to clean your pond.