The biological porous material from Eheim is ideal for filtering your aquarium, providing effective reduction of pollutants and improving water quality. Its porous structure allows the development of beneficial bacteria that help break down unwanted substances. Additionally, the material contains activated carbon, which effectively absorbs toxins and water cloudiness.

• Biological construction for natural water purification.
• Activated carbon for absorbing toxic substances.
• Unique porous material design that supports bacterial growth.