Fish Filters & Water Pumps Filter Sponge/Foam Fluval Fluval by Fluval Designed for use in the Fluval® G3 Filter, the Fluval® G3 Nitrate-adsorbing cartridge will remove up to 13000 mg of nitrate ion in fresh water aquariums. Nitrate concentration should not exceed 20 mg/L in freshwater aquariums. Planted aquariu ... Check availability Notify me Order 2 units, don't run out of it Make your pet happy with one of these products! Europet Starfish 8,5 cm 38kr Features Fluval Reference015561104210 BrandFluval TypeCartridges Description Fluval Customer Reviews Fluval Write a review