NEW: Pre-filtration through foam filter pad: On account of the integrated pre-filter, the particles of dirt are extracted from the in-flowing water before the actual filtration process takes place in the filter baskets, which increases the lifetime.
Mechanical filtration with EHEIM MECHpro (Ecco pro 200/300). Biomechanical filtration with EHEIM bioMECH (Ecco Pro 300). Bio-filtration with EHEIM SUBSTRATEpro (Ecco pro 130/200/300). Fine filtration: Fine dirt particles are trapped in the fine filter pad before water re-enters into the aquarium.