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Filterlava, filter material for biological filtration, 20 liters, 25 kg
Made of pure Eifellava
Shipping for this product only EUR 2.99 * per bag!
This item is delivered only in Germany!
(This price is valid only for the shipment of bagged goods, can not be combined with other products and only for shipping within Germany possible.)
Warning: Last items in stock!
In the biological purification stage is not more concerned, filter particles, but to provide the bacteria involved in the degradation processes as large a settling area. Lava with its porous structure is ideal for this purpose.
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