The Eheim EHFIFIX, is a specially-structured course filter medium for trapping solid dirt particles, available from Swell UK at discounted prices.
EHFIFIX is used as effective mechanical filtration at the water inflow of the filter as second layer (e.g. after EHFIMECH).
It is also ideal for use in overflow chambers. The material can be washed out under cold water and can be used several times.
For models 2211, 2213, 2215/22176, 2222, 2224, 2226, 2228 a special pad is recommended.