Juwel Bio-Flow Super FilterThe JUWEL Bioflow filter system stands out from the crowd with its large filter volumes. This gives plenty of room for excellent mechanical, chemical and biological filtering and ensures a long filter service life and longer service intervals. The filter's design offers you easy access to the pump and heater and the use of special filter cages makes it easy to remove and clean the filter media. JUWEL Bioflow filter system's unique bipolar current