Hydor Filter Sponge Prime 30

The filter sponge is precisely cut to fit the Hydor Prime 30 external filter and is easy to replace.

Moving water is absolutely necessary for most aquarium fish, as this is the only way to ensure effective filtration and gas exchange. A certain amount of current is also familiar to them from their habitat and not least serves their well-being. The aquarium should also always be filtered to ensure consistently good water quality.

Oliver Knott recommends:
With the filter sponge for Hydor external filters, you ensure active water circulation and oxygen supply in the aquarium!