EHEIM spare parts Biological filter medium

EHEIM FILTERBIO (2l) is a biological filter granulate which is suitable for all LOOP and PRESS pond filter systems. It consists of highly porous sintered quartz, which offers the natural cleaning bacteria optimum living conditions. As a result, the water flowing through is purified without the use of chemicals and the result is crystal clear pond water. The filter granulate is washable and can be used several times, and it allows full utilization of the volume in the filter. In addition, the optimized surface of the beads ensures intensive colonization of the important cleaning bacteria, resulting in a dense bacterial lawn. It works perfectly together with Replay and Refine filter mats.