Eheim BioMech Filter Media

Mechanical-biological filter medium for excellent water conditioning due to its special dirt trapping pockets and optimized pore structure. Eheim bioMech represents a new concept in filter material for efficient and effective water purification. Both mechanical and biological characteristics are combined into one medium. Eheim bioMech is recommended as a premium alternative to Eheim Mech in the lower filter container. In this manner, the mechanical filter area can simultaneously have a biological effect.