Make the aquarium water clear, fresh, and free of debris. The filter wool are polyester fibers with a large zuiveringscapaciteit to ensure that even the finest dust particles out of the water to be filtered. The aquarium will be crystal clear. To be used in both freshwater and saltwater. After the material has, over time, become clogged, and the flow decreases, it can be easily re-used. Just rinse it under the tap and it's filter media may be there for a while on this.
Contents: a 100-or 250-gram