Coarse Filter pad (2 pcs.) for classic 150 Specifically Designed for EHEIM Classic External Filters Ensures optimal fit and performance with EHEIM classic models Reusable and Washable: Designed for repeated use, easily cleaned for long-lasting filtration Phenol-Free Material: Safe for aquarium environments, ensuring no harmful substances leach into the water Versatile Compatibility: Works effectively alone or combined with other types of filter media Suitable for Various Aquariums: Appropriate for both freshwater and saltwater setups