Non-woven filter Media Set Professionel 3

Non-woven filter and filter mat for mechanical and biological filtration. Water flows uniformly through the porous material, which retains coarse and fine dirt particles. After a short running-in phase, bacteria settle in the special foam at structure, designed for intensive biological degradation of toxic substances. The mats can be reused several times. For cleaning, simply rinse and wring out, so as not to completely destroy the bacterial bed.