Specially-structured coarse filter medium for trapping solid dirt particles. EHEIM FIX (EHFIFIX) is used as effective mechanical filtration at the water inflow of the filter as second layer (e.g. It is also ideal for use in overflow chambers.
- andre m. wrote about EHEIM FIX (EHFIFIX) in 2018:
Good for prefiltration, I use after EMECH, easy to clean, lasts forever aparently.