The rough surface structure of the volcanic material of EHEIM EHFILAV offers the ideal adhesive surface for the bacteria layer and thus ensures the rapid decomposition of harmful substances. In order not to interrupt the bacteria action, maintain 1/3 of filter material when replacing.
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The rough surface structure of the volcanic material of EHEIM EHFILAV offers the ideal adhesive surface for the bacteria layer and thus ensures the rapid decomposition of harmful substances. In order not to interrupt the bacteria action, maintain 1/3 of filter material when replacing. EHFILAV can be washed under lukewarm water and can be used several times. To be used in fresh and marine water.
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