Filter Wool for aquarium filters to remove all types ofWater cloudiness. Fast removal of all kinds of cloudiness in freshwater and marine aquariums: quality filterWool for aquarium filters. Easy to use: select quantity ofWool (suitable for all filters) as required. Insert asLast filter stage. Removal requiredWhenWater flow rate decreases. Crystal-clearWater: filters off all types of cloudiness and particles. Although rinsing is possibleWe recommend exchanging it instead. No release of pollutants and fibres – fully synthetic, residue-free filterWool Contents: 1 pack filterWool for aquarium filters"