Media with a special structure clean the water in well-coordinated stages. The water permeates them evenly, and they remove small and large dirt particles mechanically.
After a short cycling time, this special porous foam is colonized by filter bacteria, which break down organic pollutants in the water very efficiently.
For Eheim External filter 2213 Classic 250
Content: 2 pcs.
|Shipping weight||0,05 kg|
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