Eheim BioMECH mechanical & biological 2L 1420g

Eheim bioMECH is a combined mechanical and biological filter media. It traps coarse and fine dirt particles, and at the same time the clever pore structure ensures the colonisation of friendly cleaning bacteria. This is particularly useful if media space is restricted, or you have a heavily stocked aquarium. Suitable for use in most external canister and sump filters.