EHEIM - Wadding Cushions for Classic 250 Filter

Dirt particles are trapped in the porous foam. At the same time, the material offers a large colonization surface for purification bacteria. Even after a short period of maturation, foam cartridges provide not only mechanical water purification, but also biological decomposition of harmful substances.

The cartridges are reusable several times . To clean them, simply rinse and squeeze them, so that the bacteria cultures are not completely destroyed.