Bacteria house 24 pieces - Ø 4 cm, L 16.5 cm

The spiral shape of this filter medium is inspired by the lotus root. It consists of ceramic with mineral additives that are also released into the water.

The special shape with additional holes in the middle ensures perfect water flow.

The porous surface with a huge settling surface of 4303 m²/l offers the filter bacteria a lot of space in a small space.

The micro-holes support the formation and cultivation of aerobic nitrifying bacteria. In the small version with 24 pieces (length 16.5 cm, Ø4cm)