Eheim EhfiActiv Carbon 1 Litre.

Genuine Eheim Filter Carbon.

Pre-treated acid washed filter carbon with the highest adsorption and longest service life.

Performs a rapid highly effective adsorption of harmful chemical substances such as medications..

The specific surface area is about 1.200 m2/g; heavy metal-free, pH neutral.

Suggested use: approximately 4 weeks.

Place the material into the filter on top of the layer of mechanical filter media. If medications are used, filtering must be done through a newly inserted EHFISYNTH layer.

Eheim EhfiActiv Carbon 1 Litre.