Marina Slim Filter Cartridge 3 Pack Tropical Fish

From the Hagen Marina Range, these genuine replacement filter cartridges are designed for all three Marina Slim Filter models — S10, S15, and S20. Perfect for tropical aquariums, each cartridge contains activated carbon and Ceramitek for optimum filtration and a healthier aquatic environment. The activated carbon helps remove pollutants and odours, while the Ceramitek media optimises biological filtration for long-lasting water clarity. Supplied as an easy-to-use, disposable 3-pack — replace every 2 weeks for best results.