EHEIM sponge & cotton pad for filter professionel 3e 450/700/600T

The porous material is uniformly impregnated with water and traps large and small particles of dirt. After a short initial period, cleaning bacteria, which provide intensive biological decomposition of harmful substances, colonise the specially structured foam.
Thin and thick filters are reusable many times.To clean them, simply rinse and push outwards so that the bacterial cultures are not completely destroyed.
Compatibility:
External filters Eheim professionel 3e 450/700/600T